Articles tagged with Quantum Computing
Dr Florian Kaiser leads €3 million ERC Consolidator Grant-funded research on quantum integration, aiming to create practical applications and overcome scalability challenges in quantum technologies. The goal is to integrate quantum processors and memories on a single chip, enabling superior performance and minimal energy consumption.
Researchers used a superconducting quantum processor to study quantum transport in unprecedented detail. The experiments explored how a spin/particle current flows between two groups of qubits, revealing a unified picture of thermalisation dynamics and nonequilibrium steady dynamics.
Researchers at Macquarie University have developed a new laser technique that enables precise control over diamond surfaces at the atomic scale. The method allows for the controlled removal of as little as 1 per cent of an atomic layer, resulting in enhanced conductivity and promising implications for quantum technologies.
Physicists at the University of the Witwatersrand developed an innovative computing system harnessing laser beams and display technology to process multiple possibilities simultaneously. This approach could speed up complex calculations in fields like logistics and finance, with potential applications in quantum optimisation and machin...
Researchers at RIKEN Center for Quantum Computing successfully developed a novel double-transmon coupler (DTC) to enhance the fidelity of quantum gates. The DTC achieved high gate fidelity of 99.90% for a two-qubit device and 99.98% for a single-qubit gate, paving the way for fault-tolerant quantum computation.
The Department of Energy's Quantum Computing User Program is releasing a Request for Information to gather input on current and upcoming availability of quantum computing resources. The program aims to understand the readiness of these resources for quantum computing research and engage with the diversity of stakeholders in the field.
Researchers at the Max Planck Institute have developed a novel method to entangle photons with acoustic phonons, overcoming noise susceptibility and enabling high-temperature operation. This breakthrough has significant implications for secure quantum communications and quantum computing applications.
Researchers have discovered a new phenomenon in quantum-driven superconductors that could lead to more precise control of driven quantum systems. The study, led by IU Professor Babak Seradjeh, explores the role of Floquet Majorana fermions in the Josephson effect and their potential for developing stable quantum computers.
The 12th Heidelberg Laureate Forum will bring together 200 talented young researchers from around the world to interact with renowned laureates of prestigious prizes. The event offers a unique opportunity for cross-generational scientific dialogue, networking, and collaboration.
Researchers developed innovative encoding methods that simplified quantum circuits for data encoding, reducing circuit depth by a factor of 100 while maintaining accuracy. These methods showed improved resilience against adversarial attacks, paving the way for practical application of quantum machine learning on current devices.
Scientists at DOE's Princeton Plasma Physics Laboratory perfect processes for growing diamond at lower temperatures without sacrificing quality. The breakthrough could enable the implementation of diamond in silicon-based manufacturing, opening a door for advanced electronics and sensors.
Researchers at NCSA have presented a novel post-quantum cryptography network instrument to measure PQC adoption rates and ensure secure data safeguarding. The project's findings indicate that only OpenSSH and Google Chrome have successfully implemented PQC, achieving an initial adoption rate of 0.029%.
The study reveals that localized electrons drive magnetism in FeSn thin films, challenging existing theories about magnetism in kagome metals. The research could guide the development of materials with tailored properties for advanced tech applications.
Researchers used a classical computer and mathematical models to outperform a quantum computer on a task involving a two-dimensional quantum system of flipping magnets. The system displayed a behavior known as confinement, which had previously been seen only in one-dimensional systems.
Chris Van de Walle, a distinguished professor at UCSB, has been awarded the American Physical Society's 2025 Aneesur Rahman Prize for Computational Physics. He was recognized for his development and application of first-principles methods to compute structural, electronic, and optoelectronic properties of point defects and interfaces.
A team of scientists and experts led by PNNL has developed a cloud computing approach to democratize access to emerging resources. They demonstrated that cloud computing can provide an agile complement to high-performance computing facilities, enabling complex chemistry workflows to be completed in days instead of months. The initiativ...
A new benchmark, V-score, has been developed to tackle quantum many-body problems. The V-score combines energy and fluctuation data into a single number, making it easier to rank different methods based on accuracy.
Researchers at the University of Chicago have developed a new way to measure the behavior of single electron defects in diamond, which can destroy quantum state memory. By studying the defects' spin and charge dynamics, scientists hope to create even better quantum sensors with long coherence times.
A new benchmark, V-score, compares performance of classical and quantum algorithms in simulating complex phenomena in condensed matter physics. The study identifies the hardest problems in materials science, including frustrated geometries and strong electron interactions.
Researchers at NICT and partners developed a new type of superconducting flux qubit that can operate optimally in zero magnetic field. The qubit boasts a coherence time of 1.45 microseconds, marking a significant improvement over previous designs.
A Kennesaw State University researcher aims to develop open-source, hands-on QML training materials to educate future researchers. The project will create nine training modules with hands-on labs covering key quantum computing concepts.
Karen Jo Matsler, a UTA professor, is being honored for her extensive contributions to physics education and her efforts to support educators nationwide. Her Quantum for All initiative aims to integrate quantum concepts into high school science instruction, preparing students for careers in quantum technology.
Researchers at the University of Copenhagen's Quantum for Life Centre have developed a new mathematical recipe to make quantum simulators more scalable and efficient. This breakthrough could speed up the development of new medicines from years to months by predicting how molecules behave in the human body before laboratory trials.
A recent study has lifted the veil of topological censorship by revealing a meandering conduction channel that can carry quantized bulk current. The researchers identified mechanisms that allow for tuning between qualitatively different microscopic implementations, challenging traditional theories.
Scientists have successfully produced a Majorana fermion, a theoretical particle first proposed in 1937, using quantum interference in a nano-scale electronic circuit. This breakthrough has significant implications for the development of topological quantum computers.
Scientists from Brookhaven National Laboratory have developed a new type of qubit that can be easily manufactured without sacrificing performance. The constriction junction architecture offers a simpler alternative to traditional SIS junctions, using a thin superconducting wire instead of an insulating layer.
A new quantum error correction approach called 'many-hypercube codes' has been proposed to overcome scalability issues in conventional methods. This innovative approach allows for high-performance fault-tolerant quantum computing by enabling logical gates to be run in parallel, similar to classical computers.
The researchers have successfully demonstrated quantum entanglement between electronic and motional states in their ultrafast quantum simulator, generating a new quantum simulation method including repulsive force between particles. This achievement is expected to improve the fidelity of two-qubit gate operations and realize socially u...
A new graduate program at Rice University aims to equip students with skills needed to serve as leaders in quantum technology innovation. The program will provide interdisciplinary training to 30 students, combining expertise from quantum physics, optics, and nanotechnology.
Researchers predict the existence of a new type of exciton with finite vorticity, called a 'topological exciton,' in Chern insulators. This prediction has the potential to enable the development of novel optoelectronic devices for quantum computing.
A new study reveals that giving users the option to delay security tasks and nudging them to commit later significantly increases completion rates. The study found that participants who made promises or requested reminders were more likely to follow through on their commitment.
Researchers create stable, multilayer structures using electric field modifications, opening up new possibilities for quantum technologies. The development paves the way for scalable and robust quantum devices with increased functionality.
Researchers at PolyU have successfully developed a quantum microprocessor chip that can simulate large-structured and complex molecules with high accuracy. The breakthrough enables scientists to tackle complicated quantum chemistry problems beyond the capabilities of classical computers.
A team of researchers has discovered novel and unexpected phenomena when studying fractional quantum Hall effects in flatland systems. By applying a supplementary current to high mobility semiconductor devices, they were able to explore new non-equilibrium states of these quantum systems and reveal entirely new states of matter.
Researchers observed electrons locked in a middle stage, where they had paired but were not coherent. This finding suggests that superconductors might be engineered into materials with higher temperatures. The study's results may help design superconductors that work at higher temperatures.
Scientists at National University of Singapore have created electron-hole crystals in an exotic quantum material, paving the way for advancements in computing technologies. The breakthrough was achieved using scanning tunneling microscopy and reveals two distinct ordered patterns at different energy levels.
Researchers at the University of Bath have created new specialty optical fibers to cope with the challenges of future quantum computing. These fibers feature a micro-structured core that allows for improved data transfer and the creation of entangled photons, enabling quantum computation.
Dr. Wencai Liu, an associate professor at Texas A&M University, has been selected for the 2024 IUPAP Early Career Scientist Prize in Mathematical Physics. His research focuses on linear and nonlinear Schrodinger equations, contributing to our understanding of quantum mechanics and its applications.
Two major projects led by INRS professors will develop scalable solid-state semiconductors for on-chip quantum communication and advance smart programmable photonics. The $7.4 million funding will support collaborations between academia and industry partners.
By combining atom array processors with photonic and semiconductor chips, researchers have created a platform for large-scale, interconnected quantum computing. This allows for faster computation abilities and the potential to connect many atom arrays to form a larger quantum system.
The layered multiferroic material nickel iodide (NiI2) has been found to have greater magnetoelectric coupling than any known material of its kind, making it a prime candidate for technology advances. This property could enable the creation of magnetic computer memories that are compact, energy-efficient and can be stored and retrieved...
Researchers have developed a novel method to significantly enhance quantum technology performance by leveraging cross-correlation of two noise sources. This approach extends coherence time, improves control fidelity, and increases sensitivity for high-frequency sensing.
Researchers at the University of California - Riverside have proposed a chain of quantum magnetic objects called spin centers that can simulate exotic magnetic phases of matter. This breakthrough could lead to more efficient ways of storing and transferring information, as well as the development of room temperature quantum computers.
Researchers at University of Chicago PME have outlined a new approach to building long quantum channels using vacuum sealed tubes with spaced-out lenses. These channels can transmit quantum information over thousands of kilometers, enabling large-scale quantum networks that can process tens of terabytes of data per second.
Researchers at Stanford University have developed a chip-scale Titanium-sapphire laser, four orders of magnitude smaller and three orders less expensive than traditional lasers. This breakthrough enables mass production on wafers, potentially thousands of lasers per disc, democratizing access to these powerful tools.
A team of scientists led by Qimiao Si predicts the existence of flat electronic bands at the Fermi level, which could enhance electron interactions and create new quantum phases. These bands have the potential to enable new applications in quantum bits, qubits, and spintronics.
Researchers developed a symbolic model checking approach to verify quantum circuits, addressing the gap between model-checking quantum programs and quantum circuits. They used Maude programming language to formally specify and verify quantum circuits, confirming their correctness and paving the way for error-free quantum computing.
A team of researchers has developed a platform to probe, interact with and control quantum systems in silicon. They used an electric diode to manipulate qubits inside a commercial silicon wafer, exploring how the defect responds to changes in the electric field and tuning its wavelength within the telecommunications band.
Researchers at Chalmers University of Technology have created a unique system that combats the trade-off problem between operation complexity and fault tolerance. The system uses harmonic oscillators to encode information linearly, offering a seamless gradient of colors and providing far richer possibilities than traditional qubits.
Researchers developed a quantum annealing approach to accelerate data assimilation, significantly reducing computational cost. The method achieves comparable accuracy to conventional approaches but in a fraction of the time.
Researchers at Clemson University have developed a new noncentrosymmetric triangular-lattice magnet, CaMnTeO6, which displays strong quantum fluctuations and nonlinear optical responses. This breakthrough material has the potential to lead to advancements in solid-state quantum computing, spin-based electronics, resilient climate chang...
A groundbreaking study introduces a method for sorting vector structured beams with spin-multiplexed diffractive metasurfaces, promising significant advancements in optical communication and quantum computing. This technology enables precise control over complex light beams, opening new avenues for scientific exploration.
Researchers at Lancaster University and Radboud University Nijmegen have discovered a novel pathway to modulate and amplify spin waves at the nanoscale, paving the way for dissipation-free quantum information technologies. The study's findings could lead to the development of fast and energy-efficient computing devices.
Researchers at JPMorgan Chase, Argonne National Laboratory and Quantinuum show a quantum algorithmic speedup for the QAOA algorithm on the Low Autocorrelation Binary Sequences problem. The team demonstrates a significant step towards reaching quantum advantage, laying the foundation for future impact in production.
Cleveland Clinic and IBM researchers develop a hybrid framework combining quantum and classical computing methods for protein structure prediction. This approach overcomes limitations of current classical methods and demonstrates improved accuracy in predicting protein structures.
Researchers have developed a scalable, modular hardware platform that integrates thousands of interconnected qubits onto a customized integrated circuit. This 'quantum-system-on-chip' (QSoC) architecture enables precise control and tuning of a dense array of qubits, making it possible to achieve large-scale quantum computing.
UC Irvine researchers create ultra-thin bismuth sheets for flexible technologies, revealing hidden electronic behaviors and quantum oscillations. The new production method uses compression and molding techniques, potentially simplifying mass production of electronic devices.
Researchers at the University of Innsbruck developed a novel method using diffusion models to generate quantum circuits. The model can produce accurate and flexible circuits, including those tailored to specific quantum hardware connections.
Researchers at Tel Aviv University developed a method to grow ultra-long and narrow graphene nanoribbons with semiconducting properties, opening doors for technological applications in advanced switching devices and spintronic systems. The study's success demonstrates a breakthrough in carbon-based nanomaterials.
Researchers from Tokyo Institute of Technology experimentally revealed that high-density Ca introduction enhances superconductivity in graphene-calcium compounds through confinement epitaxy, leading to increased critical temperatures. This breakthrough could enable the development of C6CaC6 superconductors with wide applicability in qu...