Researchers at the University of Adelaide and their overseas partners have taken a key step in making quantum batteries a reality. They have successfully proved the concept of superabsorption, a crucial idea underpinning quantum batteries.
German and Israeli physicists have devised an elegant experiment to answer which factors determine how fast a quantum computer can perform its calculations.
Thirumalai “Venky” Venkatesan is an internationally noted leader in advanced technology innovation. As the director for the Center for Quantum Research and Technology at the University of Oklahoma, he praises the Sooner State for developing a completely new frontier in terms of economic growth. "We are investing in people who can transform both our technology and economic landscape,” he says.
High-precision measurements have provided important clues about processes that impair the efficiency of superconductors. Future work building on this research could offer improvements in a range of superconductor devices, such quantum computers and sensitive particle detectors.
A new kind of benchmark test, designed at Sandia National Laboratories, predicts how likely a quantum processor will run a specific program without errors, revealing the technology's true potential and limitations.
Particles in quantum systems have many potential values, making them hard to simulate with a conventional computer. Researchers have proposed a new way to prepare energy states of a simulated quantum system using a quantum computer. Researchers first determine the energy state they are interested in creating. The quantum computer starts the system in a simplified state, then produces different combinations of how the variables evolve over time, then eliminates the energy states that don’t match researchers’ targets.
Argonne scientist Laura Gagliardi has been elected to the Italian National Academy of Sciences.
Flaws in diamonds — atomic defects where carbon is replaced by nitrogen or another element — may offer a close-to-perfect interface for quantum computing, a proposed communications exchange that promises to be faster and more secure than current methods.
Researchers at Argonne and the University of Chicago have made a breakthrough that should help pave the way for greatly improved control over the formation of quantum bits or qubits, the basic unit of quantum information technology.
Advancing quantum computing requires models that can solve challenging many-body problems quickly and accurately. This research proposes a new algorithm for performing quantum calculations on chemical systems using a mathematical tool called “connected moments.” This reduces the number of qubits needed to reach target levels of accuracy and could lead to advances in chemistry and applications in catalysis, biochemistry, and materials.
A world-leading researcher in solid electrolytes and sophisticated electron microscopy methods received Oak Ridge National Laboratory’s top science honor for her work in developing new materials for batteries.
Researchers in Finland have developed a circuit that produces the high-quality microwave signals required to control quantum computers while operating at temperatures near absolute zero. This is a key step towards moving the control system closer to the quantum processor, which may make it possible to greatly increase the number of qubits in the processor.
Recent theoretical breakthroughs have settled two long-standing questions about the viability of simulating quantum systems on future quantum computers, overcoming challenges from complexity analyses to enable more advanced algorithms.
Swati Singh, a University of Delaware assistant professor of electrical and computer engineering, has been awarded a five-year, $400,000 Faculty Early Career Development Award (NSF CAREER) to explore new methods for studying the dark sector
A team led by Purdue University used the Advanced Photon Source to characterize a quantum material that mimics the neural behavior of sea slugs. This could be a first step toward more efficient artificial intelligence hardware.
Physicists from Exeter and Trondheim have developed a theory describing how space reflection and time reversal symmetries can be exploited, allowing for greater control of transport and correlations within quantum materials.
Columbia engineers invent “green” method that combines quantum mechanics with machine learning to accurately predict oxide reactions at high temperatures when no experimental data is available; could be used to design clean carbon-neutral processes for steel production and metal recycling.
The University of Adelaide has today, Wednesday, 1 December, launched its Quantum Materials strategy with its focus on cutting-edge fundamental research and delivering new quantum-enabled technologies for a safer, wealthier and healthier world.
Argonne is leading the way toward a quantum future, conducting cross-disciplinary research through its quantum initiative and via the collaborative center Q-NEXT.
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.
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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.
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