Articles tagged with Quantum Information Science
Researchers at the University of Arizona are using two federal grants to develop novel areas in quantum information. They aim to improve measurement capabilities of quantum magnetic field sensors, which could impact navigation, medical imaging, and other fields. Additionally, they will work on developing quantum low-density parity-chec...
Researchers from Würzburg have demonstrated quantum tornadoes in momentum space using ARPES. This discovery could pave the way for new quantum technologies, such as orbitronics, which rely on electrons' orbital torque to transmit information.
A new chip-based quantum digital signature network has been developed, significantly improving the signature rate and reducing complexity. The network's star-topology architecture and one-time universal hash-QDS protocol enhance security and performance.
Researchers developed a new approach using metasurfaces to generate multiphoton entanglement, simplifying the process while increasing efficiency. This breakthrough enables the creation of different types of entangled states and facilitates the fusion of multiple pairs into larger groups.
The Global Physics Summit will feature nearly 1,200 sessions and 14,000 presentations on various topics, including astrophysics, climate science, medicine, and quantum information. Registered journalists and public information officers will receive daily emails with meeting information.
A groundbreaking new framework unifies gravity from quantum relative entropy, bridging the gap between quantum mechanics and Einstein's general relativity. The theory predicts a small, positive cosmological constant aligning with experimental observations.
Researchers developed TAROQQO, an AI-powered turbulence forecasting tool, to predict atmospheric conditions up to 12 hours in advance. A high-speed adaptive optics system corrects optical distortions in real-time, enabling high-dimensional quantum information transfer and boosting key generation rates.
Monit Sharma, a 23-year-old Research Engineer at Singapore Management University, has been recognized for his work on quantum algorithms to solve real-world supply chain issues. His findings were published in top quantum conferences and validated the practical applicability of quantum computing.
Scientists at Tohoku University and collaborators have made a significant discovery about how magnetic twist induces one-way electric flow in a unique quantum material. By studying the material's electronic behavior, they found that the 'magnetic twist' directly triggers electronic band asymmetry, leading to nonreciprocal transport.
Researchers at AWS and Caltech developed a new cat qubit chip, called Ocelot, to suppress errors in quantum computers. The chip uses superconducting circuits to create stable qubits resistant to bit-flip errors.
Researchers at Microsoft Quantum Lab West Lafayette advanced complex layered materials for topological quantum computing. The team accurately measured the state of quasi particles, a crucial step towards realizing a topological quantum computer.
Scientists at Argonne National Laboratory developed a new technique to study surface phonons, revealing striking differences between surface and bulk materials. This breakthrough could enable new avenues for research and applications in quantum technologies, including superconductivity.
Researchers in a new study used optical tweezers to isolate and study the products of individual pairs of atoms, offering new insights into how light-assisted collisions occur. By measuring the loss rates of atoms quantitatively, the team mapped out the influence of hyperfine structure on these collisions.
Researchers at TU Wien and ISTA have developed artificial atoms made of superconducting circuits that can be tuned to specific energy values. These 'artificial atoms' enable the storage and retrieval of light, opening up new possibilities for quantum experiments.
The team led by Xiaolong Su prepares hybrid polarization-cat entangled state with OAM degree of freedom, demonstrating non-zero logarithmic negativities for various OAM states. This breakthrough enables increased information capacity in quantum communication and takes a crucial step towards hybrid quantum information processing.
A new optical technology developed at UC Riverside enables gravitational-wave detectors to reach extreme laser powers, overcoming limitations that hinder the detection of cosmic phenomena. This breakthrough is expected to significantly expand our view of the universe, particularly in the earliest stages of its history.
Researchers used Quantum Approximate Optimization Algorithm (QAOA) to cluster jets in high-energy particle collisions, achieving performance comparable to classical algorithms. The study demonstrates the potential of quantum computing in improving jet clustering for practical applications.
Researchers at the University of Surrey discovered evidence of opposing arrows of time emerging from quantum systems. The study suggests that time's arrow may not be fixed, and instead could flow in both forward and backward directions due to processes taking place at the quantum level.
For the first time, scientists have measured the quantum state of electrons ejected from atoms after absorbing high-energy light pulses. This technique provides a new way to study the interaction between light and matter, with potential applications in various fields of research.
Researchers developed a method to 'translate' optical signals to and from qubits, reducing cryogenic hardware needed. This breakthrough enables scalable quantum computers with increased qubit numbers, laying the foundation for room-temperature networks.
Discounted hotel rates available at select hotels near the Anaheim Convention Center. The Global Physics Summit will feature nearly 14,000 individual presentations on new research in various fields.
Researchers have developed a novel method for entanglement-based quantum key distribution that uses different light frequencies to encode quantum states, increasing security and resource efficiency. The method reduces costs and complexity, enabling the scaling up of quantum networks.
Researchers demonstrate that quantum processes can be designed to comply with the second law, highlighting a harmonious coexistence between quantum mechanics and thermodynamics. Their findings open up new avenues for understanding thermodynamic boundaries of quantum technologies.
Researchers successfully linked two separate quantum processors to form a single, fully connected quantum computer using photonic network interface. This breakthrough enables computations to be distributed across the network, addressing quantum's scalability problem and paving the way for industry-disrupting quantum computers.
Researchers aim to develop room-temperature superconductors using AI and quantum geometry, potentially revolutionizing energy efficiency. The project aims to push boundaries of quantum materials science and superconductivity.
Researchers simulate turbulent systems using probability distributions, bypassing chaotic behavior. This approach enables faster computation and opens new avenues for simulating other complex systems.
Research at TU Wien shows that quantum systems exhibit increasing entropy over time, even in isolated systems. This reconciles quantum theory with thermodynamics by defining a 'Shannon entropy' that depends on measurement probabilities.
The project leverages super-radiance to enhance the brightness and emission rate of fluorophores, enabling high-throughput imaging and tracking of molecular processes. This could lead to breakthroughs in fields like cell biology, materials science, and nanotechnology.
A new experimental system designed by a team from the University of Barcelona allows students to study phenomena unique to quantum mechanics, such as Bell inequalities and entangled systems. The system enables direct measurements of quantum entanglement, facilitating a deeper understanding of this unintuitive phenomenon.
Researchers at the University of Innsbruck have developed a method to switch between two error correction codes in an error-tolerant manner, making it easier to implement all required gates for computing. This breakthrough enables the quantum computer to efficiently suppress errors and improve calculation accuracy.
Researchers propose a new strategy to stabilize quantum networks by rebuilding connections after each use, which leads to an eventual stable network state. The key is finding the optimal number of links to add, determined to be the square root of the number of users.
The new tool will enhance the DLA's supply chain management capabilities, reduce operational disruptions, and bolster readiness. Quantum Research Sciences' technology will provide predictive capabilities and automate obsolescence management processes.
The Association for Computing Machinery (ACM) has named 55 Fellows for their transformative contributions to computing science and technology. The inductees represent a diverse range of fields, including cybersecurity, artificial intelligence, human-computer interaction, machine learning, and programming languages.
Researchers introduce a novel concept harnessing nonlinear non-reciprocal susceptibility to achieve high-performance optical isolation, setting new records. The study demonstrates an ideal optical isolation ratio of 63.4 dB and an isolation bandwidth exceeding 20 dB of 12.5 GHz.
Researchers have revived the Lieb-Schultz-Mattis theorem in open quantum systems, extending its constraints to entanglement Hamiltonian and shedding light on behavior of entanglement in presence of environment. The theorem requires weak symmetry and short-range correlation, with numerical simulations verifying its validity.
The US Department of Energy is investing $71 million in 25 projects combining theory and experiment to explore the universe. Researchers will develop innovative solutions using quantum information science to advance our understanding of fundamental physics, including theories of gravity and spacetime.
Researchers discovered a quantum advantage of colloidal quantum dots in spin chemistry of radical pairs. The hybrid radical pairs exhibit large Δg values, allowing for direct observation of spin quantum beats and magnetic field control. This study has the potential to enable novel quantum information technologies.
Researchers at the University of New South Wales have demonstrated a novel method for quantum error detection and correction, leveraging an antimony atom's eight possible spin directions to create a robust system. This breakthrough has significant implications for building reliable quantum computers.
Boron-doped diamonds exhibit plasmons, allowing electric fields to be controlled on a nanometer scale, for advanced biosensors and nanoscale optical devices. This discovery could pave the way for new types of biomedical and quantum optical devices.
The demonstration used automatic polarization compensation to stabilize the polarization of a signal sent over a commercial network with no downtime. The approach enabled continuous transmission of signals for more than 30 hours without interruptions.
Researchers at Chalmers University of Technology and University of Maryland have engineered a new type of refrigerator that can autonomously cool superconducting qubits to record-low temperatures. This breakthrough paves the way for more reliable and error-free quantum computations.
The EQUSPACE consortium aims to create a scalable solution for silicon-based donor spin qubits, enabling long-term future for Europe's quantum industry. The project will develop materials science methods and atomic modifications to enhance the stability of qubits.
Researchers from NTU Singapore have developed a new crystal structure that shows naturally existing particles can behave like axions, promising to detect dark matter. The findings could lay the groundwork for understanding cosmic phenomena and uncovering the universe's greatest mysteries.
The American Physical Society's joint March Meeting and April Meeting will convene more than 14,000 physicists from around the world to present new research in various fields. The conference will be held in person in Anaheim, California and online everywhere March 16-21.
A HKUST-led team has successfully simulated the non-Hermitian skin effect in two dimensions using ultracold fermions. This breakthrough demonstrates a significant advance in quantum physics research and opens up avenues for exploring high-dimensional non-Hermitian phenomena.
Physicists at Brown University have observed a novel class of quantum particles called fractional excitons, which behave in unexpected ways. The discovery unlocks a range of novel quantum phases of matter, presenting a new frontier for future research.
The DFG is investing €30 million in eight new research units tackling pressing issues such as quantum materials, macrophage biology and language convergence. The new units will focus on innovative directions in their respective fields.
Researchers at Queen Mary University of London have discovered a surprising connection between the Large Hadron Collider and the future of quantum computing. The study reveals that top quarks produce
Researchers developed Concurrent Dynamic Quantum Logic (CDQL) to verify quantum protocols with concurrent actions, enhancing expressiveness and speeding up verification. CDQL provides a rigorous framework for verifying both sequential and concurrent models of quantum protocols.
Researchers have developed a practical way to detect 'leakage errors' in neutral atom platforms, removing a major roadblock for one branch of quantum computing. The detection method achieved 93.4% accuracy and enables researchers to flag and correct errors without disturbing the quantum state of the atoms.
Researchers at MIT have created a new magnetic state in an antiferromagnetic material using terahertz laser light, enabling controlled switching and potentially leading to more efficient memory chips. The technique provides a powerful tool for manipulating magnetism and advancing information processing technology.
Researchers Carsten Ullrich and Deepak Singh have discovered a new type of quasiparticle in all magnetic materials, challenging previous understanding of magnetism. This finding could lead to the development of faster, smarter, and more energy-efficient electronics.
A Japanese research team investigates the origin of Bi2212's strong optical anisotropy, finding that increasing lead content reduces incommensurate modulation, enabling accurate measurement of optical activity and circular dichroism. This study contributes to understanding high-temperature superconductivity mechanisms.
Researchers at Rice University have uncovered a phenomenon where quasiparticles lose their identity in extreme quantum materials, leading to unique properties. This discovery has broader implications for understanding transitions in other correlated materials and creating advanced superconductors.
Researchers from Linköping University confirmed a direct connection between quantum theory and information theory, revealing the degree of unknown information in a quantum system. The study used a new experimental setup to demonstrate the equivalence of entropic uncertainty with wave-particle duality.
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 use quantum information science to study the influence of entanglement on proton structure, revealing a more complex and dynamic system. The findings may offer insight into nuclear physics questions and inform future experiments at the Electron-Ion Collider.
Theoretical physicists establish a close connection between quantum information theory and non-invertible symmetries in particle and condensed matter theories. A recent study proves that any non-invertible symmetry operation is a quantum operation, providing a general property of these operations.
Researchers at Heriot-Watt University have proposed a new method to filter out daylight noise from quantum signals, enabling all-day satellite transmission. The approach uses time and phase encoding to overcome the issue, allowing SatQKD to operate during dawn and dusk hours.
The Karlsruhe Institute of Technology is joining the Quantum Science and Technology Centre (IQST) to strengthen research in quantum science and technology in Baden-Württemberg. The centre focuses on innovative applications of quantum science, including sensor technology and secure communication channels.