For the first time, scientists at the Morgridge Institute for Research have generated near atomic resolution images of a major viral protein complex responsible for replicating the RNA genome of a member of the positive-strand RNA viruses.
A new device that relies on flowing clouds of ultracold atoms promises potential tests of the intersection between the weirdness of the quantum world and the familiarity of the macroscopic world we experience every day.
Imagine tiny crystals that “blink” like fireflies and can convert carbon dioxide, a key cause of climate change, into fuels. A Rutgers-led team has created ultra-small titanium dioxide crystals that exhibit unusual “blinking” behavior and may help to produce methane and other fuels, according to a study in the journal Angewandte Chemie. The crystals, also known as nanoparticles, stay charged for a long time and could benefit efforts to develop quantum computers.
Chemical reactions transform reactants to products through intermediate states. These intermediates are often short-lived, making them hard to study. But by bringing a molecule to a temperature barely above absolute zero, scientists can “trap” the reaction in the intermediate stage for a much longer time. In this study, scientists used photoionization to directly observe a reaction’s reactants and products.
Researchers at Columbia Engineering and Montana State University have found that placing sufficient strain in a 2D material creates localized states that can yield single-photon emitters. Using sophisticated optical microscopy techniques developed at Columbia over the past 3 years, the team was able to directly image these states for the first time, revealing that even at room temperature they are highly tunable and act as quantum dots, tightly confined pieces of semiconductors that emit light.
The Chicago-based research hub expands to include 13 total industry leaders in tech, computing, finance.
Columbia University researchers report that they have observed a quantum fluid known as the fractional quantum Hall states (FQHS), one of the most delicate phases of matter, for the first time in a monolayer 2D semiconductor. Their findings demonstrate the excellent intrinsic quality of 2D semiconductors and establish them as a unique test platform for future applications in quantum computing.
By connecting electromagnetic waves and magnetism to create a system made of magnon polaritons, scientists demonstrated the existence of an “exceptional surface” for the first time. Exceptional surfaces were originally a purely mathematical concept, but recent research shows they have potential physical, real-world applications.
A team led by Oak Ridge National Laboratory implanted atoms precisely into the top layers of ultra-thin crystals, yielding two-sided Janus structures that may prove useful in developing energy and information technologies.
On June 19, scientists at the CMS experiment at CERN's Large Hadron Collider published their 1,000th paper. The monumental achievement reflects an incomparable contribution to humanity's understanding of the universe — and it's just the beginning.
Scientists at the U.S. Department of Energy’s Ames Laboratory and their collaborators from Iowa State University have developed a new approach for generating layered, difficult-to-combine, heterostructured solids. Heterostructured materials, composed of layers of dissimilar building blocks display unique electronic transport and magnetic properties that are governed by quantum interactions between their structurally different building blocks, and open new avenues for electronic and energy applications.
A team of researchers led by Sufei Shi, an assistant professor of chemical and biological engineering at Rensselaer Polytechnic Institute, has uncovered new information about the mass of individual components that make up a promising quasiparticle, known as an exciton, that could play a critical role in future applications for quantum computing, improved memory storage, and more efficient energy conversion. The team's research was published today in Nature Communications.
A research team from Empa and EPFL has developed a molecular motor which consists of only 16 atoms and rotates reliably in one direction. It could allow energy harvesting at the atomic level. The special feature of the motor is that it moves exactly at the boundary between classical motion and quantum tunneling - and has revealed puzzling phenomena to researchers in the quantum realm.
Quantum computing will affect the future of every area of science, creating the need for a quantum-fluent workforce. In collaboration with two high school teachers, a group of Fermilab theorists has developed a quantum computing course for high school students. With this course, Fermilab scientists are breaking new ground in both quantum computing research and supporting the competitiveness of the STEM workforce in the quantum era.
Technion-Israel Institute of Technology researchers recently made an extraordinary breakthrough in the field of quantum matter when they documened, for the first time, a new type of interaction between light and matter.
Graphene triangles with an edge length of only a few atoms behave like peculiar quantum magnets. When two of these nano-triangles are joined, a "quantum entanglement" of their magnetic moments takes place: the structure becomes antiferromagnetic. This could be a breakthrough for future magnetic materials, and another step towards spintronics. An international group led by Empa researchers recently published the results in the journal "Angewandte Chemie".
Scientists performed simulations of merging rotating superfluids, revealing a peculiar corkscrew-shaped mechanism that drives the fluids into rotation without the need for viscosity.
Columbia engineers are the first to build a high-performance non-reciprocal device on a compact chip with a performance 25 times better than previous work. The new chip, which can handle several watts of power (enough for cellphone transmitters that put out a watt or so of power), was the leading performer in a DARPA SPAR program to miniaturize these devices and improve performance metrics.
A team of physicists at the University of Bristol has developed the first integrated photon source with the potential to deliver large-scale quantum photonics.
Novel quantum dot solar cells developed at Los Alamos National Laboratory match the efficiency of existing quantum-dot based devices, but without lead or other toxic elements that most solar cells of this type rely on.
Scientists have forced a magnetic crystal into a spin liquid state, which may lead to insights into superconductivity and quantum computing.
Researchers at New York University and IBM Research have demonstrated a new mechanism involving electron motion in magnetic materials that points to new ways to potentially enhance data storage.
Until now, electron spins and orbitals were thought to go hand in hand in a class of materials that’s the cornerstone of modern information technology; you couldn’t quickly change one without changing the other. This study raises the possibility of controlling them separately.
A team of researchers co-led by Berkeley Lab has observed unusually long-lived wavelike electrons called "plasmons" in a new class of electronically conducting material. Plasmons are very important for determining the optical and electronic properties of metals.
For the second year in a row, a team of scientists from DOE’s Oak Ridge and Los Alamos National Laboratories led a demonstration hosted by EPB, a utility and telecommunications company, to test quantum-based technologies that could improve the cybersecurity, longevity and efficiency of the nation’s power grid. Among other successes, the researchers drastically increased the range these resources can cover in collaboration with new industry partner Qubitekk.
Berkeley Lab’s Kristin Persson shares her thoughts on what inspired her to launch the Materials Project online database, the future of materials research and machine learning, and how she found her own way into a STEM career.
Research findings published in Nature Communications outline how a national team of researchers supported by the DOE's Office of Science opens up a new dimension of safe hardware for AI and neuromorphic computing.
Rutgers Professor Gregory W. Moore, a renowned physicist who seeks a unified understanding of the basic forces and fundamental particles in the universe, has been elected to the prestigious National Academy of Sciences. Moore, Board of Governors Professor in the Department of Physics and Astronomy at Rutgers University–New Brunswick, joins 119 other new academy members and 26 international members this year who were recognized for their distinguished and ongoing achievements in original research.
Identifying sources of light plays an important role in the development of many photonic technologies, such as lidar, remote sensing, and microscopy. Traditionally, identifying light sources as diverse as sunlight, laser radiation, or molecule fluorescence has required millions of measurements, particularly in low-light environments, which limits the realistic implementation of quantum photonic technologies. In Applied Physics Reviews, researchers demonstrated a smart quantum technology that enables a dramatic reduction in the number of measurements required to identify light sources
Quantum machine learning, an emerging field that combines machine learning and quantum physics, is the focus of research to discover possible treatments for COVID-19, according to Penn State researchers led by Swaroop Ghosh, the Joseph R. and Janice M. Monkowski Career Development Assistant Professor of Electrical Engineering and Computer Science and Engineering. The researchers believe that this method could be faster and more economical than the current methods used for drug discovery.
At Rensselaer Polytechnic Institute, researchers working at the intersection of materials science, chemical engineering, and physics are uncovering new and innovative ways to unlock those promising and useful abilities using light, temperature, pressure, or magnetic fields. The groundbreaking discovery of an optical version of quantum hall effect (QHE), published today in Physical Review X, demonstrates the leadership of Rensselaer in this vital research field.
Six new innovators will be joining Chain Reaction Innovations (CRI), the entrepreneurship program at the U.S. Department of Energy’s (DOE) Argonne National Laboratory, as part of the elite program’s fourth cohort.
Scientists have discovered a light-induced switching mechanism in a Dirac semimetal. The mechanism establishes a new way to control the topological material, driven by back-and-forth motion of atoms and electrons, which will enable topological transistor and quantum computation using light waves.
Scientists have theorized that organometallic halide perovskites— a class of light harvesting “wonder” materials for applications in solar cells and quantum electronics— are so promising due to an unseen yet highly controversial mechanism called the Rashba effect. Scientists at the U.S. Department of Energy’s Ames Laboratory have now experimentally proven the existence of the effect.
Despite the near-universal assumption of individuality in biology, there is little agreement about what individuals are and few rigorous quantitative methods for their identification. A new approach may solve the problem by defining individuals in terms of informational processes.
Turning a brittle oxide into a flexible membrane and stretching it on a tiny apparatus flipped it from a conducting to an insulating state and changed its magnetic properties. The technique can be used to study and design a broad range of materials for use in things like sensors and detectors.
Story Tips: Molding matter atom by atom and seeing inside uranium particles, from the Department of Energy's Oak Ridge National Laboratory
New measurements confirm, to the highest energies yet explored, that the laws of physics hold no matter where you are or how fast you’re moving.
New research conducted in part at Brookhaven Laboratory may bring a whole new class of chemical elements into a materials science balancing act for designing alloys for aviation and other applications.
A Cornell-led collaboration has successfully created such a simulator using ultrathin monolayers that overlap to make a moiré pattern. The team then used this solid-state platform to map a longstanding conundrum in physics: the phase diagram of the triangular lattice Hubbard model.
Fermilab technology developed for particle accelerators offers a valuable opportunity to search for a hypothesized particle that would resemble a particle of light. These dark photons could help us understand the large part of our universe that we know is there but have yet to observe.
Neutron scattering instruments at ORNL’s HFIR and SNS are undergoing upgrades which will enable them to study magnetic phenomena previously not possible in the US. Incorporating a device for spherical neutron polarimetry enables the ability to characterize complex magnetic systems in new dimensions for materials that could be developed for enhanced data storage and quantum computing technologies.
Physicists have unraveled a mystery behind the strange behavior of electrons in a ferromagnet, a finding that could eventually help develop high temperature superconductivity. A Rutgers co-authored study of the unusual ferromagnetic material appears in the journal Nature.
Berkeley Lab scientists tap into graphene’s hidden talent as an electrically tunable superconductor, insulator, and magnetic device for the advancement of quantum information science
Scientists at Argonne National Laboratory report fabricating and testing a superconducting nanowire device applicable to high-speed photon counting. This pivotal invention will allow nuclear physics experiments that were previously thought impossible.
Scientists have begun filling the ICARUS detector at Fermilab with liquid argon, moving one step closer toward neutrino oscillation measurements and the potential discovery of sterile neutrinos.
One of the most difficult problems to overcome in developing a quantum computer is finding a way to maintain the lifespan of information held in quantum bits, called qubits. Researchers at Fermilab and Argonne National Laboratory are working to determine whether devices used in particle accelerators can help solve the problem. The team will run simulations on high-performance computers that will enable them to predict the lifespan of information held within these qubits using smaller versions of these devices, taking us one step closer to the age of quantum computing.
To use quantum computers on a large scale, we need to improve the technology at their heart – qubits. Qubits are the quantum version of conventional computers’ most basic form of information, bits. The DOE’s Office of Science is supporting research into developing the ingredients and recipes to build these challenging qubits.
Real-world experiment in Chicago suburbs achieves quantum entanglement across 52-mile fiber network
LEMONT, IL – On Wednesday, February 19, 2020 at noon CST, U.S. Department of Energy (DOE) Under Secretary for Science Paul M. Dabbar will announce scientists from Argonne National Laboratory and the University of Chicago entangled photons across a 52-mile “quantum loop” in the Chicago suburbs. The quantum loop is a test bed designed to entangle quantum information at distance in real-world conditions. The successful experiment, funded by DOE, is seen as a foundational building block in the development of a quantum internet — potentially a highly secure and far-reaching network of quantum computers and other quantum devices.
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