Quantum computing has the potential to revolutionize technology, medicine, and science by providing faster and more efficient processors, sensors, and communication devices.
A new way to achieve integrated photonics--a new device has been developed at the University of Delaware that could have applications in imaging, sensing and quantum information processing, such as on-chip transformation optics, mathematical operations and spectrometers.
Hey, physicists and materials scientists: You’d better reevaluate your work if you study iridium-based materials – members of the platinum family – when they are ultra-thin. Iridium “loses its identity” and its electrons act oddly in an ultra-thin film when interfaced with nickel-based layers, which have an unexpectedly strong impact on iridium ions, according to Rutgers University–New Brunswick physicist Jak Chakhalian, senior author of a Rutgers-led study in the journal Proceedings of the National Academy of Sciences.
By using sound waves, scientists have begun to explore fundamental stress behaviors in a crystalline material that could form the basis for quantum information technologies.
The quantum superposition principle has been tested on a scale as never before in a new study by scientists at the University of Vienna in collaboration with the University of Basel. Hot, complex molecules composed of nearly two thousand atoms were brought into a quantum superposition and made to interfere. By confirming this phenomenon – “the heart of quantum mechanics”, in Richard Feynman’s words – on a new mass scale, improved constraints on alternative theories to quantum mechanics have been placed. The work will be published in Nature Physics.
Technical sessions at this year’s conference centered around four thematic areas: Autonomous Systems, Nanophotonics and Plasmonics, Virtual Reality and Augmented Vision, as well as Quantum Technologies.
The U.S. Department of Energy (DOE) has recently awarded Argonne National Laboratory a total of $4.15 million for research in quantum computing and networking as part of the 2019 Advanced Scientific Computing Research (ASCR) Quantum Computing and Quantum Network Awards. The awards will fund three multi-year projects aimed at securing the nation’s leadership in the field of quantum information science.
Scientists and companies will showcase their latest research, tools, equipment and services at the AVS 66th International Symposium and Exhibition. The event will be held Oct. 20-25 in Columbus, Ohio. This will be a great opportunity for reporters to interact with experts in a variety of science fields, such as quantum science, plasmas, biomaterials, photonics, nanometer scale technology and more.
Quantum computing harnesses enigmatic properties of small particles to process complex information.
Three researchers at Oak Ridge National Laboratory will lead or participate in collaborative research projects aimed at harnessing the power of quantum mechanics to advance a range of technologies including computing, fiber optics and network communication.
The Johns Hopkins University Applied Physics Laboratory (APL), in Laurel, Maryland, has been tapped by the Department of Energy to develop advanced quantum computing and networking technologies. The award is part of larger DOE effort to address basic research gaps in the ideas, methods and tools that connect quantum computing applications to hardware.
Lukasz Fidkowski, an assistant professor of physics at the University of Washington, is one of the winners of a 2020 New Horizons in Physics Prize from the Breakthrough Foundation "for incisive contributions to the understanding of topological states of matter and the relationships between them."
Because of topological insulators’ unique electronic properties and their potential use in spintronic devices and even conceivably as transistors for quantum computers, scientists at the U.S. Department of Energy’s Argonne National Laboratory investigated the dynamics of the conducting surface electrons in these materials.
In a recent study, scientists at the U.S. Department of Energy’s Argonne National Laboratory have created a miniaturized chip-based superconducting circuit that couples quantum waves of magnetic spins called magnons to photons of equivalent energy.
An explosion is a complex event involving quickly changing temperatures, pressures and chemical concentrations. In the Journal of Applied Physics, a special type of infrared laser, known as a swept-wavelength external cavity quantum cascade laser, is used to study explosions.
The U.S. Department of Energy (DOE) announced $60.7 million in funding to advance the development of quantum computing and networking.
The quantum internet promises absolutely tap-proof communication and powerful distributed sensor networks for new science and technology.
The U.S. Department of Energy (DOE) announced $21.4 million in funding for research in Quantum Information Science (QIS) related to both particle physics and fusion energy sciences.
UPTON, NY - A team of scientists from the U.S. Department of Energy's Brookhaven National Laboratory and Lawrence Berkeley National Laboratory designed, created, and successfully tested a new algorithm to make smarter scientific measurement decisions.
At upcoming FiO + LS conference, researchers will discuss creative tactics to get rid of loopholes that have long confounded tests of quantum mechanics. With their innovative method, the researchers were able to demonstrate quantum interactions between two particles spaced more than 180 meters (590 feet) apart while eliminating the possibility that shared events during the past 11 years affected their interaction.
The theories of quantum mechanics and gravity are notorious for being incompatible, despite the efforts of scores of physicists over the past fifty years. However, recently an international team of researchers led by physicists from the University of Vienna, the Austrian Academy of Sciences as well as the University of Queensland (AUS) and the Stevens Institute of Technology (USA) have combined the key elements of the two theories describing the flow of time and discovered that temporal order between events can exhibit genuine quantum features.
An international team of researchers has developed a new algorithm for solving equations using a type of quantum computer called a “quantum annealer.” The team systematically examined how this method scales when facing increasingly difficult mathematical equations, with promising results.
Jigang Wang's research group is developing new tools and techniques to access new states of matter hidden within superconducting and other complex materials. Harnessing these exotic states and their unique properties could lead to better computing, communicating and data storing technologies.
A team of physicists has uncovered a new state of matter—a breakthrough that offers promise for increasing storage capabilities in electronic devices and enhancing quantum computing.
Quantum technologies harness the unusual properties of the atomic and subatomic world, where the rules of classical physics do not apply. Properties like entanglement – what Einstein called “spooky action at a distance” – and superposition – where a single particle can exist in multiple states at once – provide remarkable opportunities to push current communications, cryptography, and computing technologies beyond their current limitations. But, what are the latest innovations in quantum research and where are new discoveries taking us?
Brookhaven & SBU hope to create the world’s first true quantum internet, which would enhance information transfer and help us solve complex problems.
New York University physicist Jiehang Zhang has received an Early Career Award from the U.S. Department of Energy.
A new study led by a physicist at Berkeley Lab details how a quantum computing technique called “quantum annealing” can be used to solve problems relevant to fundamental questions in nuclear physics about the subatomic building blocks of all matter. It could also help answer other vexing questions in science and industry, too.
When two mesh screens are overlaid, beautiful patterns appear when one screen is offset. These “moiré patterns” have long intrigued artists, scientists and mathematicians and have found applications in printing, fashion and banknotes. Now, a Rutgers-led team has paved the way to solving one of the most enduring mysteries in materials physics by discovering that in the presence of a moiré pattern in graphene, electrons organize themselves into stripes, like soldiers in formation.
Los Alamos National Laboratory scientists have developed a new quantum computing algorithm that offers a clearer understanding of the quantum-to-classical transition, which could help model systems on the cusp of quantum and classical worlds, such as biological proteins, and also resolve questions about how quantum mechanics applies to large-scale objects.
Researchers have imaged an exotic quantum particle — called a Majorana fermion — that can be used as a building block for future qubits and eventually the realization of quantum computers.
A research team lead by Osaka University demonstrated how information encoded in the circular polarization of a laser beam can be translated into the spin state of an electron in a quantum dot, each being a quantum bit and a quantum computer candidate.
Profiled is Raphaël Hermann of the Department of Energy’s Oak Ridge National Laboratory, who conducts experiments to better understand materials for energy and information applications.
In standard communication the pigeon always carries the message; the information is linked to a physical entity/particle. Counter to intuition, in a new counterfactual communication protocol published in NPJ Quantum Information, scientists from the University of Vienna, the University of Cambridge and the MIT have experimentally demonstrated that in quantum mechanics this is not always true, thereby contradicting a crucial premise of communication theory.
Researchers at Berkeley Lab have developed a graphene device that switches from a superconducting material that conducts electricity without losing any energy, to an insulator that resists the flow of electric current – all with a simple flip of a switch.
Physicists have theorized that a new type of material, called a three-dimensional (3-D) topological insulator (TI), could be a candidate to create qubits for quantum computing due to its special properties. A study found that when the TI’s insulating layers are as thin as 16 quintuple atomic layers across, the top and bottom metallic surfaces begin to destroy their metallic properties.
Researchers at the U.S. Department of Energy’s (DOE) Argonne National Laboratory and Los Alamos National Laboratory, along with researchers at Clemson University and Fujitsu Laboratories of America, have developed hybrid algorithms to run on size-limited quantum machines and have demonstrated them for practical applications.
In a global first, NUS scientists have demonstrated that heat energy can be manipulated by utilising the quantum mechanical principle of anti-parity-time symmetry. Using this method, they were able to control the flow of heat in a material.
VIDEO: Even in the strange world of open quantum systems, the arrow of time points steadily forward -- most of the time. New experiments conducted at Washington University in St. Louis compare the forward and reverse trajectories of superconducting circuits called qubits, and find that they follow the second law of thermodynamics.
The Chicago Quantum Exchange, a growing intellectual hub for the research and development of quantum technology, has expanded its community to include new industry partners working at the forefront of quantum technology and research. These corporate partners are Boeing, Applied Materials, Inc., ColdQuanta, Inc., HRL Laboratories LLC and Quantum Opus LLC.
Newly published research from a team of scientists led by the U.S. Department of Energy’s Ames Laboratory sheds more light on the nature of high-temperature iron-based superconductivity.
Researchers have discovered that terahertz light --light at trillions of cycles per second -- can act as a control knob to accelerate supercurrents. That can help open up the quantum world of matter and energy at atomic and subatomic scales to practical applications such as ultrafast computing.
Study finds waste soft drinks for carbon capture could help cut carbon dioxide emissions; sharing secret messages using quantum communications just got more practical for better cybersecurity; designed synthetic polymers for better binding in next-generation li-ion batteries; predictive modeling could point to nuclear reactors running longer; scientists to create computers that mimic human brain.
To better store data, scientists need ways to change a material’s properties suddenly. For example, they want a material that can go from insulator to conductor and back again. Now, they devised a surprisingly simple way of flipping a material from one state into another, and back again, with flashes of light. A single light pulse turns thin sheets of tantalum disulfide from its original (alpha) state into a mixture of alpha and beta states. Domain walls separate the two states. A second pulse of light dissolves the walls, and the material returns to its original state.
The Department of Energy has announced that, over the next four years, it will invest $32 million to accelerate the design of new materials through use of high-performance computing. One of the seven funded projects is the Midwest Integrated Center for Computational Materials (MICCoM), founded in 2015 and led by the Materials Science Division at the U.S. Department of Energy’s (DOE) Argonne National Laboratory. This center draws co-investigators from the University of Chicago, University of Notre Dame, and University of California, Davis.
Researchers from Brown and Columbia Universities have demonstrated previously unknown states of matter that arise in double-layer stacks of graphene, a two-dimensional nanomaterial. These new states, known as the fractional quantum Hall effect, arise from the complex interactions of electrons both within and across graphene layers. “The findings show that stacking 2D materials together in close proximity generates entirely new physics,” says Brown Professor Jia Li.
In free space, the light wave of a laser beam propagates on a perfectly straight line. Under certain circumstances, however, the behavior of a wave can be much more complicated.
A team at the University of Tsukuba studied a novel process for creating coherent lattice waves inside silicon crystals using ultrashort laser pulses.
It sounds like an old-school vinyl record, but the distinctive crackle in the music streamed into Chris Holloway’s laboratory is atomic in origin. The group spent years finding a way to directly measure electric fields using atoms, so who can blame them for then having a little fun with their new technology? They don’t expect the atomic-recording’s lower sound quality to replace digital music recordings, but the team is considering how this “entertaining” example of atomic sensing could be applied in communication devices of the future.
ORNL story tips: New builders’ tool by ORNL assesses design performance before construction begins; new pressure technique to manipulate magnetism in thin films could enhance electronic devices; ORNL outlines quantum sensing advances for better airport scanning, other applications.
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