A team of physicists at the Universities of Vienna, Bristol, the Balearic Islands and the Institute for Quantum Optics and Quantum Information (IQOQI-Vienna) has shown how quantum systems can simultaneously evolve along two opposite time arrows (forward and backward in time). The study has been published in the latest issue of Communications Physics.
A team of physicists at the Universities of Bristol, Vienna, the Balearic Islands and the Institute for Quantum Optics and Quantum Information (IQOQI-Vienna) has shown how quantum systems can simultaneously evolve along two opposite time arrows - both forward and backward in time.
Physicists have created a new ultra-thin two-layer material with quantum properties that normally require rare earth compounds. This material, which is relatively easy to make and does not contain rare earth metals, could provide a new platform for quantum computing and advance research into unconventional superconductivity and quantum criticality.
20230510101121.png&width=400&height=400){kind=logo}
Scientists at the U.S. Department of Energy’s Ames Laboratory have developed computational quantum algorithms that are valuable tools to gain greater insight into the physics and chemistry of complex materials, and they are specifically designed to work on existing and near-future quantum computers.
Quantum entanglement occurs when two particles appear to communicate without a physical connection, a phenomenon Albert Einstein famously called “spooky action at a distance.” Nearly 90 years later, a team led by the U.S. Department of Energy’s Oak Ridge National Laboratory demonstrated the viability of a “quantum entanglement witness” capable of proving the presence of entanglement between magnetic particles, or spins, in a quantum material.
Experiment, theory, and simulation show basic chemical properties are imprinted in atomic force microscope images and may help ID unknown molecules.
Sandia National Laboratories has created the first device that is small, energy-efficient and reliable enough to potentially move quantum sensors — sensors that use quantum mechanics to outperform conventional technologies — from the lab into commercial use.
SLAC scientists are probing topological insulators with circularly polarized light to reveal their many secrets. These exotic materials have potential for quantum computing and other technologies. A new study discovers that polarized laser light generates a unique signature from the topological surface.
Zhongwei Dai, a researcher in the Interface Science and Catalysis Group of the Center for Functional Nanomaterials, probes the properties of atomically thin materials to identify promising candidates for quantum information science applications
The American Physical Society has announced new fellows for 2021, and three Argonne scientists have been elected.
A team led by Argonne and UChicago have published an article in Nature Reviews Materials that lays out a blueprint for solid-state spin defects in materials for use in qubits.
Convolutional neural networks running on quantum computers have generated significant buzz for their potential to analyze quantum data better than classical computers can.
Led by scientists at Empa and the International Iberian Nanotechnology Laboratory, an international team of researchers from Switzerland, Portugal, Germany, and Spain have succeeded in building carbon-based quantum spin chains, where they captured the emergence of one of the cornerstone models of quantum magnetism first proposed by the 2016 Nobel laureate F. D. M. Haldane in 1983.
University of California, Berkeley Professor Umesh Vazirani, a pioneer in quantum computing algorithms and complexity theory, will deliver the annual University of Rhode Island Cruickshank Lecture on Monday, Oct. 18, in conjunction with the three-day Frontiers in Quantum Computing conference.
Researchers from the Center for Novel Pathways to Quantum Coherence in Materials are developing new pathways to create and protect quantum coherence. Doing so will enable exquisitely sensitive measurement and information processing devices that function at ambient or even extreme conditions.
Researchers have discovered a hard-to-observe type of spin called Kardar-Parisi-Zhang (KPZ) in a quantum mechanical system. Their findings demonstrate that KPZ motion accurately describes the changes in time of spin chains—linear channels of spins that interact with one another—in certain quantum materials. This could eventually be harnessed for real-world applications such as heat transport and spintronics.
A team from the U.S. Department of Energy’s Oak Ridge National Laboratory, Stanford University and Purdue University developed and demonstrated a novel, fully functional quantum local area network, or QLAN, to enable real-time adjustments to information shared with geographically isolated systems at ORNL using entangled photons passing through optical fiber.
The Center for Functional Nanomaterials (CFN) staff scientist fabricates thin-film materials for applications in solar energy conversion and quantum information science.
In a surprising discovery, an international team of researchers, led by scientists in the University of Minnesota Center for Quantum Materials, found that induced imperfections in the crystal structure of quantum materials can actually improve the material’s superconducting and electrical properties.
Scientists identified structural and chemical defects that may be causing quantum information loss—an obstacle to practical quantum computation.
A team led by Oak Ridge National Laboratory found a rare quantum material. Straining it creates an electronic band structure that sets the stage for exotic, tightly correlated behavior – akin to tangoing – among especially mobile electric charge carriers.
A new phase of matter, thought to be understandable only using quantum physics, can be studied with far simpler classical methods.
Argonne scientists David Awschalom and Oleg Poluektov have received funding from DOE to advance research in quantum information science. The award, announced on July 23, total $73 million and goes to 29 recipients.
Researchers at Chalmers University of Technology, Sweden, present a unique optical amplifier that is expected to revolutionise both space and fiber communication.
Researchers at the FAMU-FSU College of Engineering and the National High Magnetic Field Laboratory have new insight about the formation of vortices in a type of quantum fluid, work that could help our comprehension of the physics mystery of how vortex clusters form and provide valuable understanding into the atmospheric swirling motion on planets such as Earth and Jupiter.
The article summarizes Q-NEXT’s first year of activities, including scientific research, infrastructure building, and workforce development.
A quantum diamond sensor that can produce magnetic resonance imaging (MRI) of single molecules will be developed by a collaborative venture led by PPPL.
For artificial intelligence to get any smarter, it needs first to be as intelligent as one of the simplest creatures in the animal kingdom: the sea slug.
Argonne scientists have observed that when the shape of a thin film of metal oxide known as titania is confined at the mesoscale, its conductivity increases. This finding demonstrates that nanoscale confinement is a way to control quantum effects.
The National Science Foundation has announced it will fund a new endeavor to bring atomic-level precision to the devices and technologies that underpin much of modern life, and will transform fields like information technology in the decades to come.
After 20 years of trying, scientists doped a 1D copper oxide chain and found a surprisingly strong attraction between electrons that may factor into the material’s superconducting powers.
An experiment to study gravity at the quantum scale, insights into an antibiotic-building enzyme, and the backstory of an incredible new protein prediction algorithm are featured in this month's roundup of science highlights.
In a newly funded project, Argonne and the University of Illinois Urbana-Champaign will explore coupling magnetism and microwaves. This research will yield new insights that should benefit quantum sensing, data transfer and computing.
Quantum computers become ever more powerful, but how can we be sure that the answers they return are accurate? A team of physicists from Vienna, Innsbruck, Oxford, and Singapore solves this problem by letting quantum computers check each other.
In a new review article in Nature Photonics, scientists from Los Alamos National Laboratory assess the status of research into colloidal quantum dot lasers with a focus on prospective electrically pumped devices, or laser diodes.
Physicists and engineers have found a way to identify and address imperfections in materials for one of the most promising technologies in commercial quantum computing.
In AVS Quantum Science, investigators outline how a time-sensitive network control plane could be a key component of a workable quantum network. In addition to the well-understood requirements of transmission distance and data rate, for quantum networks to be useful in a real-world setting there are at least two other requirements that need to be considered. One is real-time network control, specifically time-sensitive networking. The second is cost.
Researchers have made the first direct observation of how hydrogen atoms in water molecules tug and push neighboring water molecules when they are excited with laser light.
Bilayer graphene with one of the two layers twisted displayed unique resonant electronic behavior. Understanding how electrons move in such 2-D materials could shed light on how to manipulate them for quantum computing and communication.
Three Argonne projects have received DOE funding to lay the groundwork for future breakthroughs in quantum information science.
Expert Q&A: Do breakthrough cases mean we will soon need COVID boosters? The extremely contagious Delta variant continues to spread, prompting mask mandates, proof of vaccination, and other measures. Media invited to ask the experts about these and related topics.
Scientists at Berkeley Lab and UC Berkeley have taken the clearest picture yet of electronic particles that make up a mysterious magnetic state called quantum spin liquid (QSL). The achievement could facilitate the development of superfast quantum computers and energy-efficient superconductors.
A Florida State University researcher is leading a $4.4 million Department of Energy project to help create software that can take advantage of supercomputer capabilities and advance quantum information science.
Cornell researchers and their collaborators will continue to advance quantum science and technology thanks to $5.4 million in new funding from the U.S. Department of Energy (DOE).
Katie Sautter, a postdoctoral scientist at Argonne National Laboratory, is building new, exquisite, atomically engineered materials that will be used for quantum communication. Her work is part of Q-NEXT, a DOE National Quantum Information Science Research Center.
As reported in a new article in Nature Reviews Physics, instead of waiting for fully mature quantum computers to emerge, Los Alamos National Laboratory and other leading institutions have developed hybrid classical/quantum algorithms to extract the most performance—and potentially quantum advantage—from today’s noisy, error-prone hardware.
Scientists demonstrated that ultrathin films of samarium nickel oxide can mask the thermal radiation emitted by hot materials. This is due to the material undergoing a gradual transition from insulator to conductor. This study shows that quantum materials such as samarium nickel oxide can manage thermal radiation with potential applications in infrared camouflage, privacy shielding, and heat transfer control.
Q-NEXT adds two new corporate partners to its collaboration: Verizon and Zurich Instruments. Q-NEXT, a DOE National Quantum Information Science Research Center led by Argonne, aims to develop the technology to control and transmit quantum information.
Researchers have for the first time used a quantum computer to generate accurate results from materials science simulations that can be verified with practical techniques. Eventually, such simulations on quantum computers could be more accurate and complex than simulations on classical digital computers.
RSS
Medicine keyboard_arrow_right
Sciencekeyboard_arrow_right
Life keyboard_arrow_right
Business keyboard_arrow_right
Journal News keyboard_arrow_right
By Location keyboard_arrow_right
Meetings, Grants, and Events keyboard_arrow_right
