Articles tagged with Quantum Information Science
The White House, NSF, and DOE announced over $1 billion in awards for the establishment of 12 new AI and QIS research institutes. These institutes will spur cutting-edge innovation, support regional economic growth, and advance American leadership in emerging technologies.
Researchers have developed a new method to calculate the exact entanglement cost of a given quantum state, allowing for more precise measurement and application in various quantum research areas. This breakthrough resolves a longstanding investigation in entanglement theory, enabling efficient computation and broad applicability.
Researchers have demonstrated coherence times up to 10,000 times longer than previously recorded for spin-orbit qubits, making them an ideal candidate for scaling up silicon quantum computers. Strong spin-orbit coupling is key to achieving stable qubits and robust quantum information.
Researchers developed a new computational tool to predict spin dynamics in materials, enabling rapid design and identification of suitable materials for quantum computing applications. The approach has been applied to various materials, including silicon, iron, graphene, molybdenum disulfide, and gallium nitride, with promising results.
Scientists in Singapore develop a single-atom device that can perform both energy conversion and cooling tasks, showcasing the potential of quantum mechanics in miniaturizing machines. The device uses lasers to manipulate an atom's vibrations, creating a battery-like effect that stores energy.
Valerii Vinokur, a senior scientist at Argonne National Laboratory, has made significant contributions to understanding topological properties of matter and their related phase transitions. His research has enabled the discovery of novel superinsulating states of matter in disordered superconducting films.
Using patterns of light, scientists aim to build a faster and more secure quantum network. The research could lead to higher information capacity and stronger security in quantum protocols.
The U.S. Department of Energy's Argonne National Laboratory has received $1.19 million in funding for five projects related to quantum information science (QIS). Researchers will develop ultra-sensitive detectors to detect dark matter and simulate fundamental theories on a quantum computer.
A team of researchers from Brown University and Dartmouth College will use a novel approach to study quantum materials and complex quantum states. They aim to design new materials whose properties depend on correlated quantum states, which could lead to error-tolerant quantum computers.
A unified framework has been developed to account for the apparent breakdown between classical and quantum physics. Researchers tested this framework using a quantum satellite called Micius, where they produced and measured entangled particles. The results ruled out one version of the theory but left another open to testing.
The Department of Energy has awarded Oak Ridge National Laboratory over $11 million to advance quantum technologies, including computing and fiber optics. Researchers will work on projects aimed at accelerating progress in quantum computing and developing wide-area quantum networks.
The US Department of Energy is investing $32 million in the Midwest Integrated Center for Computational Materials (MICCoM) to develop open-source software for designing new materials. The center aims to predict and interpret properties of functional materials for energy conversion and quantum information sciences.
Researchers develop qubits based on semiconductors, showcasing high control fidelity and integration with classical CMOS technology. Challenges include effective readout methods, uniform materials, and scalable designs to overcome obstacles in achieving fault-tolerant quantum computing.
Quantum computing aims to break cryptography and speed up database search, but scaling is a significant challenge. Researcher Debbie Leung discusses the ingredients required for accurate quantum computing operations and recent progress with error-correcting codes.
Researchers have developed a new technique to recover lost information in quantum systems by repeating experiments with slightly different noise characteristics. This method effectively reduces quantum noise without the need for additional hardware.
Researchers at UPV/EHU developed a protocol for quantum-enhanced NMR to measure nuclear and electronic spins in arbitrary samples. This allows for unparalleled sensitivity and resolution of chemical shifts in tiny picoliter samples, opening up new research lines for biological sample study.
The Interdisciplinary Quantum Information Research and Engineering (Inquire) instrument enables researchers in various fields to benefit from quantum resources, including entangled photons. Researchers can send photons into the central hub for high-tech imaging or receive entangled photons for secure communication.
A team of scientists successfully simulated an arbitrary quantum channel for a superconducting qubit, allowing for controlled evolution in various physical environments. This breakthrough demonstrates the potential for this technology in future applications, including quantum computation and simulation.
A new quantum network is being developed in the Chicago area to test unhackable communications, using principles of quantum physics to send information. The project aims to create a secure network with wide-ranging impact on communications and national security.
A UMD team has received a $1 million grant to develop methods for generating single photons at room temperature in semiconducting carbon nanotubes. This project aims to create high-quality single-photon sources that can be integrated into solid-state devices, enabling new quantum research and technology.
The U.S. Department of Energy's Argonne National Laboratory will receive over $11 million in funding for four major projects focused on quantum information science. These studies aim to develop new computing and sensing technologies, including the creation and manipulation of quantum bits and the study of quantum entanglement.
A £5.5m partnership will study and develop quantum software for modelling and simulation, helping to establish a UK quantum software industry. Scientists hope to discover new materials and chemicals through this work, impacting sectors like energy and healthcare.
Stevens Institute of Technology has received $750,000 NSF RAISE-EQuIP grant funding to advance quantum communication research. Physicists Yuping Huang and Stefan Strauf will develop scalable integrated chip technology to create entangled photons for secure information networks.
Researchers designed a computer simulation that added correlated noise to the path of energy transfer, significantly accelerating it. This finding challenges traditional views of noise as a hindrance in energy transport, opening up new possibilities for optimizing energy efficiency.
Physicist Rudolf Grimm and colleague Vitali Efimov receive the inaugural Faddeev Medal for their work on Efimov quantum states, a phenomenon predicted to occur in three-body systems. The discovery was confirmed through experiments with ultracold quantum gases.
A University of Oklahoma physics professor is using a National Science Foundation grant to explore the potential of spatial degree of freedom in long-distance quantum communications and imaging. The research could bring about a revolution in quantum information science by enabling large-scale quantum information transmission.
Boson sampling with photons faces major obstacle due to unavoidable photon loss, but researchers from USTC have confirmed experimentally that lost photons still produce useful output. This discovery allows for exponentially faster sampling rates and brings demonstration of quantum supremacy closer to reality.
Scientists at Hokkaido University have developed a theoretical approach to quantum computing that uses light squeezing to dramatically reduce errors. This new method is ten billion times more tolerant of errors than current experimental methods, bringing us closer to developing ultra-accurate quantum computers.
Researchers develop new theoretical framework to describe quantum causal structures transformation. They found that continuous and reversible dynamics prevent definite causal structure from becoming indefinite, but specific circumstances can determine the causal order.
Researchers at ORNL's Quantum Information Science Group have developed methods to control dissipative behavior in quantum systems, allowing for advancements in quantum computing and sensing. The studies aim to probe and control quantum coherent dynamics in materials at the nanoscale.
Researchers developed a QKD system that achieves high secret key rates using time-bin encoding, resolving major challenges for practical applications. This breakthrough enables ultra-high rate quantum secure communication, paving the way for image and video encryption and large encrypted databases.
Scientists have developed quantum simulators that can control over 50 interacting atomic qubits, mimicking magnetic quantum matter. The new record surpasses previous demonstrations and enables simulations of complex quantum matter, previously unreachable by modern supercomputers.
Two ORNL-led research teams will assess the feasibility of quantum architectures in addressing big science problems and develop algorithms to harness massive power predicted by quantum computing systems. Researchers aim to create quantum computers capable of simulating phenomena at unprecedented scales and speeds.
A study published in Nature Quantum Materials suggests that observing a flow of energy or particles can alter its direction, defying classical thermodynamics. Researchers propose new strategies for designing quantum transport devices with direction control.
Three scientists have closed loopholes in previous experiments, proving the nonlocal nature of quantum entanglement. This achievement opens doors to new technologies like super-secure communications and exponentially faster computing.
Researchers at CIFAR have successfully bred Schrödinger cat states in optics, amplifying classical states of light beyond microscopic limits. This breakthrough could lead to applications in quantum communication, teleportation, and cryptography.
Recent advances in quantum image processing (QIP) have improved computing speed, guaranteed security, and minimal storage requirements. QIP technologies utilize entanglement and parallelism to capture, manipulate, and recover quantum images.
Researchers from the Chinese Academy of Sciences have fabricated and manipulated Majorana zero modes (MZMs) in an optical simulator, supporting non-Abelian statistics. The study provides a novel platform to investigate MZM properties and topological quantum computation.
Researchers demonstrate optomechanically induced non-reciprocal transparency and amplification in a microresonator, enabling the creation of controllable isolators and circulators. A non-reciprocal phase shift of up to 40 degrees is achieved using two oppositely propagating driving fields.
USC Viterbi School of Engineering researchers have developed a new method to suppress heating errors in quantum processors, called nested quantum annealing correction. This scheme reduces and corrects errors associated with heating, a common type of error in quantum optimizers.
Researchers at University of Innsbruck successfully simulated lattice gauge theories and particle-antiparticle pairs using a quantum computer. This breakthrough paves the way for studying complex aspects of the Standard Model, complementing high-energy physics experiments.
Mun Dae Kim wins inaugural award for his work on superconducting flux qubits, increasing effective coupling strength for quantum computation; honors Dr. Howard E. Brandt, journal's late editor-in-chief.
The new journal aims to highlight the emergence, progress, and impact of quantum information science and related technologies. It will be led by Editor-in-Chief Dr Robert Thew and offers open access publishing options.
Researchers have revealed the mechanism behind the ferromagnetic properties of Cr-doped (Sb, Bi)2Te3 thin films, enabling electric current generation at room temperature without energy consumption. This breakthrough could lead to novel materials that operate efficiently in future devices.
Scientists have found a way to solve complex problems using a quantum computer traveling along 'open timelike curves' without breaking the laws of causality. This breakthrough allows for supercomputational power while maintaining the integrity of quantum principles.
Researchers have developed a hybrid quantum radar system that uses microwave-optical entanglement to detect cancer cells and stealth aircraft. The device operates at lower energies than conventional systems, enabling long-term potential for non-invasive medical applications such as NMR scans.
Researchers at CIFAR have developed a method to compress quantum information into fewer qubits while preserving its content. This breakthrough has significant implications for efficient quantum computing and communication.
Weak measurements aim to gain information from quantum systems by minimizing disturbance. However, researchers Joshua Combes and Christopher Ferrie found a classical analogy for the same process, casting doubt on its quantum nature.
Researchers at ICFO have designed classes of multipartite Bell inequalities to detect nonlocality in many-body quantum states. These inequalities can be verified experimentally by measuring total spin components, enabling the study of complex many-body systems.
A new paper reveals that contextuality is key to unlocking quantum computers' exponential computational power. Researchers use contextuality to design better algorithms and build more reliable quantum systems.
Two new EPSRC Centres for Doctoral Training have been established to address key challenges in data management and carbon emissions. The Queen's University Belfast Centre will focus on photonic integration for advanced data storage, while the University of Bath Centre will concentrate on decarbonization of built environments.
Researchers from Universitat Autonoma de Barcelona have achieved a groundbreaking quantum entanglement with a minimum of 103 dimensions using only two particles. This breakthrough enables the creation of highly complex states that can facilitate experimental development of quantum computers and enhance cryptography security.
Researchers from ETH Zürich and University of Calgary demonstrated the sharing of light between two artificial atoms in a one-dimensional system. This effect has significant implications for future applications in advanced quantum devices.
The University of Calgary has launched the Institute for Quantum Science and Technology (IQST), a unit dedicated to research, training, and outreach in quantum science. The IQST will focus on key research themes such as quantum optics, quantum information, and nanotechnology, with a goal of advancing transformative technology.
In large quantum systems, entanglement becomes ubiquitous above a threshold of about 200 particles, enabling super high-speed communications and quantum computing. The study provides parameters to harness this property.
Researchers from York, Paris and Missouri developed a new understanding of collective spin excitations in semiconductors, reducing decoherence and improving device functionalities. The discovery could lead to the development of new spintronic devices and quantum information technologies.
Professor Kevin Resch, a University of Waterloo researcher, has been awarded a $500,000 fellowship to focus on his work in quantum information science. His research could lead to breakthroughs in computing, communications, and cryptography.
Anton Zeilinger, an Austrian physicist, has been awarded the title of Fellow by the American Association for the Advancement of Science (AAAS) for his significant work in physics. He is a professor at the University of Vienna and scientific director of the Institute of Quantum Optics and Quantum Information.
Researchers at the University of Vienna have achieved a world record in entangling twisted light quanta, demonstrating a new method for gyrating photons. This breakthrough could lead to entangling and twisting macroscopic objects in two different directions.
Researchers at the University of Vienna have discovered that non-entangled states can outperform entangled counterparts for remote state preparation under certain conditions. High quantum discord is a key factor in achieving this outcome.