Photon Box Research Institute 01 This week's headlines JPMorgan Chase: Bullying bets on quantum computing At present, most discussions about quantum computing are focused on promoting technological development and solving the obstacles that still exist. Financial services giant J

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This week's headlines

This week's headlines

JPMorgan Chase : Bullet bets on Quantum computing

At present, most of the discussions about quantum computing focus on promoting technological development and solving the still existing obstacles. Financial services giant JPMC has taken the user's perspective, avoiding the technological debate of qubit , and instead focusing on preparing for quantum learning. JPMC believes that quantum information science (QIS) is not a field for alternative learning, but a field that must be learned. QIS will disrupt many existing technologies and introduce entirely new technologies.

JPMC's own huge economic resources (revenue in 2021 was US$129 billion) can support JPMC's extensive technical research. In the quantum field, JPMC has been conducting in-depth research on optimization, machine learning, natural language processing, and the development of quantum algorithms. Marco is the one who leads QIS Pistoia, a former outstanding researcher at International Business Machines Corporation (IBM), joined JPMC in 2020 and served as managing director of JPMC's Global Technology Application Research Center

Pistoia said: "At JPMorgan, we will not conduct research in isolation. The company's resources and our capabilities complement each other, which is very important. And quantum computer has not yet entered the stage where it can be put into use in production. We are in the scientific research stage. When we enter a period of a certain technology, it is the best time to actually cooperate with other companies and publish team results."

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https://www.quantumchina.com/newsinfo/4468453.html?templateId=520429

JP Morgan shows the largest quantum optimization algorithm execution so far

Using quantum computers to solve industry-related constraint optimization problems is a powerful way to achieve quantum advantages. On the road of exploration, a team of scientists from institutions such as NIST and JPMorgan Chase have refined the summary of constraint optimization problems and demonstrated the largest quantum optimization algorithm execution to date, which basically retains constraints on quantum hardware.

team used the quantum alternating operator Ansatz algorithm of the Hamming weight-holding XY mixer (XY-QAOA) to report results on the capture ion quantum computer. The experiment successfully ran the XY-QAOA circuit, confining quantum evolution to the constrained subspace, using up to 20 qubits and up to 159 qubit depths. Meanwhile, the team demonstrates the need to encode the constraint directly into a quantum circuit by demonstrating the trade-off between the probability within the constraint and the mass of the solution implicitly when using the unconstrained quantum optimization method.

The team demonstrated the largest quantum hardware constraint optimization demonstration to date in this experiment. The results show that advances in algorithms and hardware will make the prospect of quantum advantages in constrained optimization clearer, which will be exploited in industries including finance in the future.

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https://www.quantumchina.com/newsinfo/4472906.html?templateId=520429

"2022 International Quantum Conference" (Quantum 2022) Enter the countdown

Golden October (October 22-23, 2022), looking forward to gathering with you in the cloud feast of the global quantum informatics community - 2022 International Quantum Conference (Quantum 2022).

This session is organized by the British Physical Society Press (IOPP), the World Youth Scientist Summit (WYSS), and the Chinese Physical Society (CPS) and the University of Science and Technology of China (USTC).Professor Lu Chaoyang of the University of Science and Technology of China will serve as the chairman of this conference.

At that time, senior researchers and young scholars from the global academic and industry will gather in the cloud to jointly discuss the cutting-edge progress of quantum science and technology.

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https://www.quantumchina.com/newsinfo/4472873.html?templateId=520429

Google Quantum computer realizes the largest Fermi-Hubbard simulation to date

University of Bristol , quantum startups Phasecraft and Google Quantum AI researchers collaborate to study the characteristics of electronic systems, using them to develop more efficient energy and solar cells. The team's findings published in Nature Communications describe how it takes an important first step to using quantum computers to determine the low-energy properties of strongly related electronic systems that classical computers cannot solve. They developed the first truly scalable algorithm to observe the ground state properties of the Fermi-Hubbard model (an important method to study the electronic and magnetic properties of materials) on quantum computers. The

Fermi-Hubbard model is recognized as an excellent benchmark for recent quantum computers, and it presents a non-trivial correlation beyond classical methods for exploring with the simplest material system. In the past, researchers have only successfully solved small, highly simplified Fermi-Hubbard instances on quantum computers. The research team successfully conducted an experiment four times larger than before using a new and efficient algorithm and better fault tolerance technology, and the experiment consisted of more than ten times the size of quantum gates.

"The Fermi-Hubbard example in this experiment represents a critical step in solving real-life material systems using quantum computers," said Ashley, professor of quantum computing at the University of Bristol. Montanaro and Phasecraft co-founders believe that "the team successfully developed the first truly scalable algorithm, and anyone has the conditions to run the algorithm using the Fermi-Hubbard model. This shows that we will be able to expand the team's research direction so that more powerful quantum computers can be leveraged as hardware improves."

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https://www.quantumchina.com/newsinfo/4463453.html?te mplateId=520429

EU launches the first Reedburg atomic quantum computing project, EuRyQa

The European Commission recently launched the European Reedburg Quantum Computing Infrastructure (EuRyQa) project, aiming to build the Reedburg quantum processor into a leading platform for scalable quantum computing in Europe. Quantum Machines, a groundbreaking quantum control solution provider that accelerates the development and implementation of quantum computers, announced on October 12, 2022 that it will become a partner in the EuRyQa project. EuRyQa brings together 11 partners from seven countries, funded by the European Horizon Program (HORIZON-CL4-2021-DIGITAL-EMERGING-01-30), with a total budget of nearly 5 million euros over the next three years.

In order to develop the next generation fully programmable and scalable quantum computing system based on ultra-cold Reedburg atoms, EuRyQa will integrate four complementary platforms in Reedburg, Europe. In this way, a unique solution for Reedborg-based quantum computing is provided, applying the technology to the first pan-European benchmarking and standardization. EuRyQa's success on this project will change the rules of the game in Europe's global competition for quantum computing.

To achieve this goal, EuRyQa combines academic partners from the cutting-edge of ultra-cold atomic quantum technology with industrial partners that provide complementary expertise in quantum hardware, classical electronics, firmware and software.The project team is coordinated by the University of Strasbourg, and partners include SME PASQAL, the University of Stuttgart, the University of Stuttgart, Qruise GmbH, the affiliate of the Yulich Research Centre, and the consulting firm EURICE GmbH, the University of Amsterdam, and the Technical University of Eindhoven, the Institute of Technology Kai Erevnas, the Institute of Technology of Associacao, the Institute of Quantum Research, the University of Padua and Quantum Machines.

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https://www.quantumchina.com/newsinfo/4468368.html?templateId=520429

Based on room temperature quantum memory, Quannect Opening its first commercial quantum network in New York,

A small quantum network test bench connects two locations in the Navy Shipyard in Brooklyn, USA to construct a micro network born for revolutionary security and computing. This is the first step towards the future " quantum Internet ", which is expected to change the way network computing is and make communications safer.

This experiment was initiated by startup Qunnect. The results of this experiment are the first commercial quantum network in the United States and the first network to use only small room temperature memory. These tools can more easily connect quantum computers on Earth, developing more practical uses for the quantum network in scientific research, defense, finance and other areas that have not yet been identified. "We can get these networks to stretch from here all the way to the coast and eventually to the world," said Dr. Noel Goddard, CEO of

Qunnect. In addition to testing protocols for sharing quantum information on traditional fiber lines, the company will also use the network to test a set of quantum network hardware that can be installed in server racks in existing telecommunications buildings.

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https://www.quantumchina.com/newsinfo/4468416.html?templateId=520429

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Strategy Policy

US Department of Defense grants upgrade dilution refrigerator for quantum physics research

Thanks to the funding of the US Department of Defense, researchers in the Department of Physics, Mechanical Engineering and Materials Science and Engineering at the University of California, Merced, who are engaged in quantum physics research will soon upgrade their research equipment. Professor Jay Sharping is currently renovating two dilution refrigerators that can allow the experiment to measure samples at temperatures as low as 10 milli Kelvin (near absolute zero). No matter whether the experiment is performed using any material, a large amount of heat energy will be generated at room temperature, which may bias the results of the experiment. The extreme cold produced by the dilution refrigerator eliminates a lot of heat energy generated in the experiment and ensures visibility of quantum behavior and other basic physical processes, which are usually masked by the thermal motion of the system's components.

UC Merced professor emeritus in physics Raymond Chihao purchased two Oxford-made dilution refrigerators for Castle Research Laboratory in 2008 and operated until 2020. Since the help of a dilution refrigerator, the laboratory has received five grants and published more than 10 articles. The U.S. Department of Defense grants can refurbish the diluted refrigerator that is close to its service life and re-introduce new instruments for broader advanced research.

Sharping believes that quantum physics has received widespread attention in the United States and around the world. National Science Foundation lists it as one of its 10 top innovations, and the U.S. Senate has heard proposals for quantum physics for national security, infrastructure and workforce development. But most of this type of scientific research requires measurements at ambient temperature of 10 millikelvin and requires training researchers' quantum experimental capabilities.Sharping will then work with Professor Chiao and others to study topics such as quantum bits, quantum computing, understanding superconductivity, cavity quantum electrodynamics, state-of-the-art quantum devices, quantum materials and solid-state-based quantum emitters.

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https://www.quantumchina.com/newsinfo/4463461.html?templateId=520429

CERN 3CERN proposes to establish an open quantum research institute

CERN joins a consortium composed of partners in the scientific and industrial sectors and proposes to create an open quantum research institute. The Institute aims to work to ensure that emerging quantum technologies are used to address critical social challenges. The proposal was proposed by GESDA, the Geneva Science and Diplomatic Forecast Foundation, in collaboration with leading research institutions and technology companies. Other founding supporters of the Open Quantum Institute include University of Geneva , ETH INST Zurich (ETH ) and ETH INST Lausanne (EPFL ), Microsoft and IBM.

This proposal was proposed at the 2022 GESDA Summit. Speaking at the conference, Fabiola Gianotti, Director-General of CERN, emphasized the potential of quantum computing and other related quantum technologies in helping achieve the key UN Sustainable Development Goals . And as a member of the GESDA Foundation’s board of directors, Gianotti said: “The Open Quantum Institute will benefit from the experience of CERN joining the world in promoting the frontier of science and technology to benefit all people, and we will work to ensure that quantum technology has a positive impact on society as a whole.”

Quantum computing and simulation

Quantum computing simulation

Archer Materials uses CMOS technology to detect quantum information for the first time

technology company Archer Materials (ASX: AXE) announced that it has made "step change" progress in the development of its 12CQ chip, because the chip is currently able to detect quantum information in qubit materials at room temperature. Archer Materials focuses on the development of advanced semiconductor devices, including processor chips related to quantum computing. This is the first time that complementary metal oxide semiconductor (CMOS) technology is used to detect quantum information. CMOS is the main technology used in the semiconductor industry to design chips and is now widely used to form integrated circuits in a wide range of applications, including electronic devices such as processors, memory and sensors. Dr. Mohammad Choucair, CEO of

Archer Materials, said the importance of this progress cannot be underestimated and represents the "step-by-step technological achievement" that drives the company's 12CQ quantum chip development. Quantum information in 12CQ qubit materials can be detected using high electron mobility transistor (HEMT) technology, which is also widely used in integrated circuits, such as those in mobile phones.

The company has now confirmed that CMOS technology can detect quantum spin states in prepared 12CQ qubit materials in a controlled atmosphere at room temperature, and these states are found to be well preserved enough when running in an experimental environment. Given that CMOS technology will be used for a long time in the semiconductor industry, it is very important to combine the functions of 12CQ qubit materials with CMOS devices.

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https://www.quantumchina.com/newsinfo/4463082.html?templateId=520429

Researchers proposed a new method to optimize quantum machine learning circuits

Quantum computing refers to calculations based on the principles of quantum mechanics, which is currently a brand new and high-end topic. Compared with classical computers, quantum computing makes certain problems easier to solve and has stronger computing power. This advantage of quantum computing can very effectively solve many existing problems in different fields. Quantum computing has shown great achievements in the important field of machine learning. So far, global scientific research teams have proposed different quantum algorithms to execute different machine learning programs. In some special cases, the execution time of quantum algorithms will be reduced exponentially compared to classical algorithms. But as the amount of data and running time increases, protecting the system from the environment can be a difficult task, and since these algorithms usually need to process massive data when dealing with machine learning problems, the popularity of comprehensive algorithms is very expensive from the perspective of quantum resources.

Are a research team composed of Tahereh Salehi of the Department of Computer Engineering at Feldosi University of Mashhad, Mina Abbaszade of Krakow University of Science and Technology, and Vahid Salari from the University of Calgary, and , proposed a method to reduce the cost of quantum circuits, especially to optimize quantum machine learning circuits. To reduce the number of resources used, the team considered an approach that includes different optimization algorithms to optimize quantum machine learning algorithms for big data. In this case, the optimized circuit runs quantum machine learning algorithms in a shorter time than the original circuit and retains the original functionality. The team increased the number of quantum gates in different circuits by 10.7% and 14.9%, respectively, in line with the reduction of one iteration of the given sub-circuit U in the main circuit. For the case where the sub-circuit is repeated more times in the main circuit, the optimization rate is improved.Therefore, by applying the method proposed by the team to circuits with big data, performance and cost savings can be simultaneously improved.

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https://www.quantumchina.com/newsinfo/4463174.html?templateId=520429

html l7000 bit quantum annealing system successfully simulates quantum phase change

Quantum computers will surpass classical computers in some complex application fields, but before fully realizing their potential, many challenges need to be overcome. Physicists and computer scientists are constantly tapping into the development potential of quantum computing technology. Among them, quantum simulation, that is, quantum systems implemented using programmable simulation devices, have been proven to be helpful in realizing the computing power of quantum computers. Quantum annealing, which can achieve quantum simulation research, is an optimization process based on engineering quantum fluctuations.

Researchers from D-Wave Systems and various research institutes in Canada, the United States and Japan recently simulated quantum phase transitions in the programmable 2000 qubit 1D quantum Ising model, and the experimental results will provide reference for quantum optimization and simulation work. To test its effectiveness more reliably, the team chose to simulate a simple and easy-to-understand quantum phase transition. As the system required higher running speeds, the team simulated it using a more stringent highly programmable processor created by D-Wave, which ultimately perfectly synchronized thousands of qubits in the system. The team's simulation results are consistent with the prediction of quantum theory , and can bring more possibilities to study different quantum phase transitions in the future. They will also use programmable D-Wave processors to simulate more singular quantum phase transitions that cannot be simulated using classical computers.

"Coherent annealing has always been something we want to show," Andrew D, a researcher who conducted the study. King said, "One is because it allows us to compare the behavior of a programmable quantum system with the ideal Schrödinger dynamics, which provides both strong evidence of quantum nature and a benchmark for quantum nature. The 1D chain has a well-known closed solution, which means we can solve it with classical theory without having to exhaustively simulate quantum dynamics, thus driving the experimental process."

https://www.quantumchi na.com/newsinfo/4463290.html?templateId=520429

Standard Chartered Bank : Quantum computing will have a positive impact on the UN Sustainable Development Goals

Standard Chartered Bank (Standard Chartered and the University Space Research Association (USRA) announced their formation as quantum-inspired machine learning partners in environmental, social and governance applications. The team aims to develop advanced machine learning methods to predict natural disasters and explore how to use current generation quantum processors, future quantum computer designs and physics-based hardware solvers to improve and surpass the achievable extent of classical machine learning technologies. Advances in quantum computing technology have broad applicability and can have a positive impact on all United Nations Sustainable Development Goals.

Developing quantum advantage solutions requires careful testing and evaluation, while at the same time, it requires in-depth understanding of the limitations of current and future digital and quantum methods. The USRA quantum team at the Institute of Advanced Computer Science (RIACS) will test, evaluate and enhance all aspects of high-performance classical models and design hardware and software systems that use state-of-the-art quantum machines on the cloud. “Similar to other major technological advancements, quantum computing will bring broad benefits and disrupt many existing business processes. That’s why it’s important to the company’s operations,” said Craig Corte, global head of digital channels and customer data analysis at Standard Chartered.The collaboration with USRA has enabled us to reach world-class academic researchers and provides us with a unique opportunity to explore a variety of models and algorithms with the potential to build quantum to provide advantages for real-world use cases. "The two parties have collaborated on quantum annealing research at three universities and published technical papers from portfolio optimization to scheduling.

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https://www.quantumchina.com/newsinfo/4463455.html?templateId=520429

Hong Kong University predicts the new entangled state

Among numerous quantum computing and simulation platforms, Reedburg atomic array has the largest number of quantum bits and the highest number of The experimental accuracy is considered to be the most promising system among many programmable quantum simulator platforms in recent years to demonstrate quantum advantages.

Reedborg's optical lattice consists of single neutral alkaline earth atoms with significant dipole moments, which are trapped in a microscopic dipole well array and can be moved optically at will to form the desired lattice geometry. Each atom can be excited into it Deborah state, a pair of excited states interact through their dipole moments through long-range interactions. However, long-range interactions in these optical lattices and Ridber blocking mechanisms have both advantages and disadvantages. On the one hand, as mentioned above, they produce high precision for experimental quantum control. However, on the other hand, they impose constraints on system modeling.

Now, Zheng, research assistant at the Department of Physics, University of Hong Kong Professor Yan and Associate Professor Zi Yang Meng, renowned physicists at Harvard Dr. Rhine Samajdar, and Yan-Cheng, Beihang Hangzhou Innovation Institute Wang's scientific research team proposed some substantial solutions to the difficulties faced by all scientists in this quantum field. They designed a new triangular lattice quantum dimer model with soft constraints to be as close as possible to the experimental conditions, and developed a scanning clustering algorithm for quantum Monte Carlo simulations that can effectively solve this soft-constrained quantum multibody system. These results confirm the richness of the constraint model derived by the Reedburg array system and take advantage of various new phenomena caused by remote interactions and the Reedburg blocking mechanism.

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https://www.quantumchina.com/newsinfo/4472864.html?templateId=520429

Scientists propose a method to effectively run macromolecular simulation on quantum computers

Quantum computing is extremely promising in quantum chemistry , and it can be used to solve, for example, the electron Schrödinger equation to predict the atomic structure of materials or molecules. Computer simulation is crucial in research for the treatment of such problems, but classical computers can only be implemented in a limited range for numerical methods.

Paderborn University researchers have now found A method to effectively run macromolecular simulations on quantum computers, which can provide information about its energy and nuclear force . The researchers focused on parallelization and proposed a new algorithm and technique to reduce the number of quantum bits, the number of quantum programs and the depth of these programs, with the aim of minimizing error rates, etc.

"The interference generated when actually fixing particles together can be compensated in the simulation in the form of approximate calculations, sacrificing the accuracy of the calculation to reduce running time or required electricity. Therefore, we are not using accurate results, but approximate results, which is completely sufficient. Studying the representationability of the very special quantum state , optimized measurement procedures, and integration with molecular dynamics programs are the subjects of future research,” said Professor Christian Plessl, director of the Center for Parallel Computing (PC²), Paderborn University.Researchers are confident that they will apply the developed method to future quantum computers.

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https://www.quantumchina.com/newsinfo/4472883.html?templateId=520429

Zhejiang University Making breakthrough in quantum computing: Developing qubits for programmable solid-state superconducting processors

Scientists from Arizona State University and Zhejiang University in China have proved for the first time that in programmable solid-state superconducting processors, a large number of qubits can be adjusted to an interactive state, while maintaining coherence for a long time. This discovery was supported by two theoretical experts from the UK.

research team demonstrated for the first time in the new paper the creation of quantum multibody scar states, a powerful mechanism to maintain coherence between interacting qubits, which was previously possible only in the Reedburg atomic system. This singular quantum state provides research directions for achieving a wide range of multi-party entanglements and can be applied in quantum information science and technology to achieve high processing speeds and low power consumption.

The industry believes that these discoveries will help drive quantum computing forward and will be applied in the fields of cryptography , secure communications and network security in the future.

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https://www.quantumchina.com/newsinfo/4472894.html?templateId=520429

Amazon AWS cooperated with Goldman Sachs to load classic data into quantum computers

Amazon Quantum Solutions Laboratory (QSL) and AWS Quantum Computing Center (CQC) have collaborated with Goldman Sachs R&D team to carry out a project to advance how classic data is encoded into quantum memory, which may have an impact on how classic data is loaded into quantum processors for computation.

block encoding utilizes special-purpose data structures, such as random access memory or QRAM to load data. The team's main task is to find out the resource work required for block encoding and how to perform actual cost assessments. The process is discussed in detail in the related article in the AWS blog, and the team concluded: "We have shown that the number of qubits required to load classical data using traditional block encoding methods can be very expensive without the push of advances in quantum computing technology. However, our results also show that we can achieve circuit depths that are logarithmic to the size of the classical dataset, suggesting that if we can access a large number of QRAM qubits, quantum algorithms that rely on block encoding may be very efficient."

AWS operates on quantum computing services based on Amazon Braket cloud, which launched a quantum network center earlier this year to match its QSL and CQC initiatives. At the same time, Goldman Sachs has participated in several quantum computing projects, including cooperation with companies such as QCware and IonQ.

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https://www.quantumchina.com/newsinfo/4472900.html?templateId=520429

For the first time, the quantum information processing algorithm was developed for molecular multi-qubit systems

molecules can make useful systems for quantum computers, but they must contain individually addressable and interacting quantum bit centers. The research team of Alice Bowen and Richard Winpenny of the University of Manchester and colleagues at the UK proposed a molecular model with three different coupled qubit centers and said that since each center is spectrally addressable, quantum information processing (QIP) algorithms can be developed for the first time for such molecular multiqubit systems.

Quantum computers use multiple qubits, making their computing speed much faster than standard computers.But to drive quantum computers to perform these calculations, it must be able to evaluate and manipulate multi-qubit information. The molecular model system produced by the team has independent qubit units that can be detected by spectrality and can be switched through interactions.

This molecular multi-qubit system can provide more advantages compared to the currently used systems. To date, qubit systems have been mainly produced by superconducting circuits or single atoms or photons, requiring strict temperature cooling conditions. Molecular systems can provide the advantage of containing multiple qubit units that can be easily changed and reconfigured by chemical synthesis while also operating at higher temperatures. This provides an idea to reduce the cost of quantum computing.

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https://www.quantumchina.com/newsinfo/4472910.html?templateId=520429

04

Quantum Communication and Security

Quantum Communication Security

Mastercard launches contactless payment card for quantum computers

financial services giant Mastercard has developed a new type of contactless card that combines quantum cryptography technology to prevent hacking from current classical computers and future quantum computers. Payment companies believe quantum cryptography can provide an additional layer of security to protect transactions. This enhanced contactless card uses the latest disclosed standard by EMVCo, a technical organization in the financial industry, called the "EMV contactless kernel specification", which can be used in conjunction with all existing payment terminals, while also providing a higher level of security, which is also a technical means to prevent problems before they happen.

When quantum computing technology reaches a point called quantum supremacy, machines can use classical computers to perform almost impossible error-free calculations, which will also make the current cryptographic scheme easy to be cracked, which means specific quantum security is required. Mastercard said its new card is an important milestone in bringing security and privacy protection in the quantum era to contactless payments. According to payment providers, it will be equipped with a new generation of algorithms and encryption keys. These algorithms and encryption keys are designed to be fast, ensuring contactless payments within half a second, and enhancing privacy protection to reduce the amount of account information shared between consumer devices and merchant terminals. At the same time, MasterCard has also worked with EMVCo to clarify new specifications to ensure that the upgrade is optimized for cloud operations and potential on-card data storage, allowing privacy and complete performance to be performed on the cloud rather than remotely. Key features of the new specification include secure access for privacy, eavesdropping prevention and protection of sensitive data from man-in-the-middle and relay attacks. They also include elliptic curve encryption for authentication, as well as support for biometric and mobile verification methods.

Earlier this year, the U.S. government announced a policy requiring government departments to start adopting quantum cryptographic anti-digital codes. The National Institute of Standards and Technology of the U.S. Department of Commerce (NIST) selected four quantum cryptographic algorithms that will also form part of a new set of encryption standards. These new global crypto standards may be widely used by companies and governments, so the transition to quantum readiness is imminent.

Source:

https://www.quantumchina.com/newsinfo/4463091.html?templateId=520429

Quantum Xchange expands global business and introduces quantum security networks into Europe

American quantum encryption company Quantum Xchange provides businesses and government agencies with solutions to protect data from today and the quantum future, providing a future of encryption assurance through a breakthrough crypto-diversified management platform. It announced its entry into the European market in October 2022 and signed a strategic cooperation agreement with Iberian ITC service company Warpcom.

Warpcom will provide Quantum Xchange with a powerful combination of cybersecurity technologies and hosting services as part of Phio Trusted Xchange (TX). Phio TX is a unique key delivery system that works with the organization's existing encryption infrastructure to enable quantum security immediately. Warpcom’s customers, partners and prospects will benefit from a future-oriented change management platform that enables organizations to execute enterprise encryption strategies to achieve computing progress and prevent daily cybersecurity risks in synchronously.

anti-quantum algorithms will replace traditional encryption in the future, and as global organizations begin preparing for the most complex cryptographic transition in computing history, Quantum Xchange and Warpcom are beginning to explore solutions that are easy to deploy, easy to maintain, and work with existing network infrastructure. Phio TX can work in conjunction with traditional encryption systems and any TCP/IP connections (wireless, copper, satellite, fiber) to send a second symmetric key to the outside along a separate quantum protection tunnel and mesh network to multiple transmission points, with no bumps in the line and no new hardware required on the critical path. The Phio TX platform has a diverse portfolio of post-quantum encryption technologies that support all post-quantum encryption (PQC) algorithms evaluated by the National Institute of Standards and Technology (NIST), are FIPS 140-2 validated and 140-3 pending, and are in compliance with the European Telecommunication Standards Association (ETSI) Quantum Key Distribution (QKD) protocol.

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https://www.quantumchina.com/newsinfo/4463105.html?templateId=520429

Net Security Company Castle Shield released application based on quantum cryptography

As the leader in zero trust and cybersecurity solutions Castle Shield Holdings, LLC was founded in 2019. Its main business is to provide complete enterprise-level cybersecurity solutions to protect businesses and consumers from internal and external cyber threats. Its anti-quantum solutions (Fides) are the last line of defense against enterprise and consumer data in the emerging field of quantum computing threats.

Castle Shield officially announced on October 11, 2022 that its Typhos Secure Communications application now supports the quantum cryptography (PQC) algorithm selected by the National Institute of Standards and Technology (NIST). Typhos is the industry's first PQC-based software based on backend direct connections. Its unique design is designed to protect encrypted chat information using quantum elastic algorithms. Its adaptable and future-oriented PQC solution provides companies, organizations and consumers with a secure, comprehensive and convenient messaging channel that protects privacy from current and future potential threats.

Typhos enables companies, organizations and consumers to use quantum elastic technology to ensure their communications are secure and private. Typhos focuses on preventing information data leakage to protect data security while keeping communications safe from threats against quantum network security. It provides quantum elastic password protection anytime, anywhere on iOS and Android. This unique backend connection is designed to protect data throughout the data lifecycle that data is stored, communicated and used. While Typhos now only supports PQC secure messaging for chats and attachments, PQC integration technology for its video calls is in progress and is expected to be completed in the near future.

Source:

https://www.quantumchina.com/newsinfo/4463442.html?templateId=520429

Scientists found solutions to combat light injection attacks and further ensure the security of quantum communications

Research team tested a method used to combat light injection attacks during quantum key distribution (QKD) to ensure the security of quantum communications. This technological advancement is of great significance to the transmission of confidential information.

In quantum cryptography, the key is sent in the form of a photon and cannot be cracked or copied.But this transmission method is risky. If the QKD is executed incorrectly, it will be vulnerable to light injection attacks. The research team believes that a sacrificial inexpensive device can be added at the exit end of the quantum key distribution light source to resist light injection attacks or to destroy quantum key transmission before the hacker succeeds. The researchers examined them by burning off-the-shelf optical isolators and circulators with high-power fiber lasers and found that they could play an ideal role. This experimental results construct reliable protection against such attacks, and are highly likely to be applied to all industrial systems in the future to quantum cryptography.

Senior analyst in the telecommunications industry told the Global Times that the security of quantum communication technology is much higher than that of common communication methods. In the quantum direct communication mode, it will automatically stop once it is invaded. This technological advancement is of great significance to the transmission of confidential information. Although the current quantum communication technology has made a series of breakthroughs, the quantum secure direct communication (QSDC) technology has not yet been applied in practice and it is expected to be implemented in the future.

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https://www.quantumchina.com/newsinfo/4463448.html?templateId=520429

"Quantum Anti-Quantum" Area Blockchain QANplatform was attacked by hackers, with losses of up to $1 million

first layer blockchain QANplatform previously claimed that its security system could resist quantum computer attacks, but recently it has become the target of cross-chain bridge hackers. 1.4 billion QANX tokens were stolen, with a cumulative amount of up to $1 million. Blockchain security company Peckshield was the first to discover the attack. According to Etherscan, the initial intrusion stole more than 1.4 billion QANX tokens, followed by additional small transactions at the same IP address, sending 28.6 million QANX tokens, which is approximately $20,500.

The security company believes that hackers will be able to steal nearly $100 million in cryptocurrency from the "cross-chain bridge between the BNB Beacon Chain (BEP2) and the BNB Smart Chain (BEP20 or BSC)" on the 14th of this month.

Source:

https://www.quantumchina.com/newsinfo/4468389.html?templateId=520429

Scientists successfully measured quantum on a single optical chip Frequency comb-encoded high-dimensional quantum dots

Although the word "qudit" (multi-level quantum information unit) may look like a typo, this little-known qubit cousin can carry more information and be more resistant to interference - both are key features required to improve the performance of quantum networks, and they can form a quantum key distribution system and ultimately form a quantum Internet. Classical computer bits classify data into 1 or 0, while qubits can represent a linear combination of 1, 0 or both due to their superposition properties. "d" in qudit represents the number of different energy levels or values ​​that can be encoded on a photon. Traditional qubits have two energy levels, but they can be converted into qudits after adding multiple energy levels.

Recently, researchers from the U.S. Department of Energy’s Oak Ridge National Laboratory, Purdue University and the Federal Institute of Technology (EPFL) in Lausanne (San.) have used existing experimental and computing resources to fully characterize a pair of entangled eight-level qudits that form a 64-dimensional quantum space, breaking previous records of discrete frequency patterns. The team's research method can be used to measure high-dimensional quantum dots encoded at quantum frequency combs, a source of photons, on a single optical chip.

researchers are now fine-tuning their measurement methods to prepare for the next series of experiments. Sending signals through optical fibers, the team aims to test quantum communication protocols such as stealth transmission and entanglement exchange.

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https://www.quantumchina.com/newsinfo/4471995.html?templateId=520429

05

Quantum Materials

Quantum Materials

Quantum computing reveals a new method for building two-dimensional materials

Common method for building ultra-thin two-dimensional materials is to expose the hot metal surface to a specific gas, causing the gas to decompose the metal to form the required materials. Since the process involves high temperatures, it is difficult to monitor the construction process of the two-dimensional material in the intermediate step of forming the formation of the two-dimensional material. Researchers from the University of Surrey have discovered a new phase of two-dimensional materials using quantum computing that can be used to develop next-generation fuel cell equipment. At the same time, quantum computing has also helped Graz University of Technology to study the development of hexagonal boron nitride (h-BN) as a two-dimensional material. This material has a honeycomb crystal structure similar to the famous two-dimensional material graphene, commonly known as the "miracle material".

A research team led by Dr. Marco Sacchi of the University of Surrey uses quantum mechanical calculations to understand that the ordered structure of hexagonal boron nitride is made of its regularly spaced pores (so-called nanopores). This is the first time that these open structures have been identified and the role of nanopores in h-BN growth has been observed. It is proved that the combination of experiments and quantum chemocomputing can provide a completely new avenue for the development of two-dimensional materials.

Currently, the research team at the University of Surrey is using this method to study the growth of other two-dimensional materials, and at the same time, working with international teams to find ways to promote the development of two-dimensional materials. Professor Adrian Ruckhofer of Graz University of Technology uses the metaphor of "discovering a brand new butterfly-like in his own garden" to describe the development of two-dimensional materials.

Source:

https://www.quantumchina.com/newsinfo/4463178.html?templateId=520429

Research team discovered a completely new phenomenon in quantum materials

Researchers from the University of Colorado Boulder discovered a completely new phenomenon when studying honeycomb quantum materials, which may have a huge impact on the application of quantum computing technology. The material is chemically formula Mn3Si2Te6, and when it is exposed to a specific environment, its resistance to current will decrease by millions of times the magnetic field.

Research team believes this is because the honeycomb is filled with tiny internal currents called loop currents. This is a new mass substate of matter, whose quantum transition is almost like ice melting into water, and all conventional conditions must be broken to achieve this change. Unlike most materials where the transition from one electron state to another usually takes only one trillionth of a second, the transition in a honeycomb can take seconds or even minutes.

Professor Gang Cao, who participated in the study, believes that this may be caused by changes in the entire structure of the honeycomb, marking a new paradigm for quantum technology.

Source:

https://www.quantumchina.com/newsinfo/4468326.html?templateId=520429

Peking University Quantum Materials Science Center has made progress in topological materials html l2

Professor Wang Jian, Academician Xie Xincheng, School of Physics, Peking University, Professor Pan Minghu of the School of Physics and Information Technology of Shaanxi Normal University, Researcher Zhang Ping and Associate Researcher Li Zi of the Institute of Applied Physics and Computational Mathematics, Associate Professor Wang Huichao of the School of Physics, Sun Yat-sen University, Researcher Liu Haiwen of the Department of Physics, Beijing Normal University, and other cooperations directly observed the quasi-bound state with discrete scale invariance in the defects of topological materials HfTe atoms.

Wang Jian's research team and collaborators conducted a systematic ultra-high vacuum scanning tunneling microscopy study on topological material HfTe. On the cleavage surface of the material, various types of charged impurity defects were observed. At the charged impurities that meet the supercritical conditions, a series of density of states in the scanning tunnel spectrum were observed. The number of formant peaks in the scan tunnel spectrum is as many as four, and the energy satisfies the equi-ratio relationship (i.e., logarithmic period), giving clear evidence of the presence of quasi-bound states and discrete scale invariance at charged impurities. After obtaining evidence of quasi-bound states and their discrete scale invariance at the atomic scale, the research team measured the spatial distribution of quasi-bound states. The spatial distribution radius of the quasi-bound state exhibits an equal ratio relationship consistent with the characteristic energy, further confirming the discrete scale invariance of the quasi-bound state. In addition, the research team also observed the response of the quasi-bound state to the external magnetic field. As the external magnetic field increases, the corresponding formant peaks of the quasi-bound states with lower energy gradually broaden and eventually disappear, while the quasi-bound states gradually approach the Fermi surface, which coincides with the supercritical to subcritical phase transition caused by the applied magnetic field predicted by the theory. The experiment of the team of

directly observed the discrete scale invariance of relative theoretical quasi-bound states (atomic collapse states) at the atomic scale for the first time, opening up new ideas for the study of atomic collapse states, discrete scale invariance and novel quantum states in quantum materials, and is expected to stimulate more in-depth research and discussion on discrete scale invariance in solid physical systems.

Source:

https://www.quantumchina.com/newsinfo/4468434.html?templateId=520429

6

Basic Research

The latest discovery by quantum physicists helps to achieve ultra-sensitive distance measurements

Optics is one of the oldest fields in physics, and its exploration has continuously surprised researchers, and the classic description of light as a wave phenomenon has rarely been questioned. But a research team at the University of Tampere in Finland brings light effects to the quantum field around a discussion focusing on the abnormal behavior of light waves. Researchers have shown that quantum light with well-defined number of photons behaves differently than standard focused laser beams. This discovery not only deepens the understanding of light phenomena, but also hopes to achieve ultra-sensitive distance measurements.

Research team proved that the behavior of quantum waves is significantly different from that of classical counterparts and can be used to improve the accuracy of distance measurement. Their findings also raise discussions on the physical origin of abnormally focused behavior.

The main author of the study, doctoral researcher Markus Hiekkamäki believes: "After a long period of research and analysis, we realize that the Gouy phase of quantum light is not only different from the standard phase, but its origin can be linked to another quantum effect."