The Quantum Systems Accelerator (QSA), recently launched the “You Belong in Quantum Series!” in collaboration with the four other U.S. Department of Energy National QIS Research Centers. The initiative’s January 2024 webinar featured distinguished leaders in the field.
To study quantum many-body systems, researchers use computational tools called quantum Monte Carlo simulations. In this work, researchers used a specific approach called the “floating block method” to compute atomic nuclei corresponding to two different Hamiltonians.
Entanglement entropy quantifies the amount of entanglement between two subsystems. In many systems, the entanglement entropies increase as the area that separates them from their environment increases.
Theorists and computational scientists at the U.S. Department of Energy’s (DOE) Brookhaven National Laboratory and Stony Brook University (SBU) ran a series of quantum simulations to explore one of the quirkiest features of the quantum realm: entanglement. The study takes quantum back to its roots in seeking to explain the behavior of subatomic particles.
Researchers have unveiled the extraordinary behavior of weakly-bound three-atomic molecules, defying conventional understanding of quantum mechanics.
On March 11, PPPL opened its new Quantum Diamond Lab, a space devoted to studying and refining the processes involved in using plasma, the electrically charged fourth state of matter, to create high-quality diamond material for quantum information science applications.
The next generation of programmable quantum devices will require processors built around superior qubits. Researchers developed a blueprint for a novel quantum information processor based on fluxonium qubits. These fluxonium qubits outperform transmons, the most widely used superconducting qubits. The researchers also made practical suggestions on how to adapt and build the cutting-edge hardware for superconducting devices.
In January, Sandia National Laboratories and The University of New Mexico created the Quantum New Mexico Institute, a cooperatively run research center headquartered at the university.
Scientists are a step closer to unravelling the mysterious forces of the universe after working out how to measure gravity on a microscopic level.
Niobium has long been considered an underperformer in superconducting qubits. Scientists supported by Q-NEXT, a US DOE quantum center led by Argonne, have now engineered a high-quality niobium-based qubit, taking advantage of niobium’s superior qualities.
Scientists are a step closer to unravelling the mysterious forces of the universe after working out how to measure gravity on a microscopic level.
Middle Tennessee State University’s Quantum Science Initiative is taking more giant leaps with two new grants — totaling more than $1 million — from the National Science Foundation to expand research, education and inclusivity in quantum education.
By studying how CRISPR-Cas works, scientists can predict and design where these tools modify DNA.
In quantum sensing, atomic-scale quantum systems are used to measure electromagnetic fields, as well as properties like rotation, acceleration, and distance, far more precisely than classical sensors can.
Since the advent of femtosecond laser in the early 1990s, ultrafast laser processing has been considered a promising nanofabrication approach, which is unique in manufacturing hard-processing materials and realizing fine three-dimensional structures.
Reliable quantum gates are the fundamental component of quantum information processing. However, achieving high-dimensional unitary transformations in a scalable and compact manner with ultrahigh fidelities remains a great challenge.
A team of Stony Brook University physicists and their collaborators have taken a significant step toward the building of a quantum internet testbed by demonstrating a foundational quantum network measurement that employs room-temperature quantum memories.
In a significant leap forward for quantum nanophotonics, a team of European and Israeli physicists, introduces a new type of polaritonic cavities and redefines the limits of light confinement. This pioneering work, detailed in a study published today in Nature Materials, demonstrates an unconventional method to confine photons, overcoming the traditional limitations in nanophotonics.
A new cooling technique that utilizes a single species of trapped ion for both computing and cooling could simplify the use of quantum charge-coupled devices (QCCDs), potentially moving quantum computing closer to practical applications.
Scientists at the U.S. Department of Energy's (DOE) Brookhaven National Laboratory and DOE's Pacific Northwest National Laboratory (PNNL) have used a combination of scanning transmission electron microscopy (STEM) and computational modeling to get a closer look and deeper understanding of tantalum oxide.
Irvine, Calif., Jan. 31, 2024 — Researchers at the University of California, Irvine and Los Alamos National Laboratory, publishing in the latest issue of Nature Communications, describe the discovery of a new method that transforms everyday materials like glass into materials scientists can use to make quantum computers.
Edward Schmitt is supporting Argonne’s efforts at the lab’s quantum materials foundry.
An international team that includes Rutgers University–New Brunswick scientists has developed a new method to make and manipulate a widely studied class of high-temperature superconductors.
Rice University scientists have discovered a first-of-its-kind material, a 3D crystalline metal in which quantum correlations and the geometry of the crystal structure combine to frustrate the movement of electrons and lock them in place.
Scientists have indirect evidence that antimatter falls the same way as matter.
Julian Martinez-Rincon, a quantum scientist at the U.S. Department of Energy's (DOE) Brookhaven National Laboratory, has been elected vice chair of the Standards & Performance Metrics Technical Advisory Committee (TAC) of the Quantum Economic Development Consortium (QED-C).
Dr. Jun Woo Choi of the Center for Spintroncs Research at the Korea Institute of Science and Technology (KIST) have announced the results of a collaborative study showing that ultra-low-power memory can be fabricated from quantum materials.
Building on $180 million in joint energy-related research, EPB and Oak Ridge National Laboratory marked 10 years of collaboration Friday with the announcement of the new Collaborative for Energy Resilience and Quantum Science, or CERQS.
Collisions of high energy particles produce “jets” of quarks, anti-quarks, or gluons. The quarks can’t be directly detected, but simulations indicate that the jets modify the quantum vacuum and that the produced quarks retain entanglement.
A West Virginia University engineer is creating powerful, unconventional artificial intelligence tools that can reimagine the sustainability of chemical manufacturing.
AIP and APS are pleased to announce David Brydges as the recipient of the 2024 Dannie Heineman Prize for Mathematical Physics “for achievements in the fields of constructive quantum field theory and rigorous statistical mechanics, especially the introduction of new techniques including random walk representation in spin systems, the lace expansion, and mathematically rigorous implementations of the renormalization group.”
As an engineer of high-performance molecular qubits, Q-NEXT collaborator and UChicago grad student Chloe Washabaugh takes on the erudite, the everyday and everything in between.
Researchers with the Department of Energy’s SLAC National Accelerator Laboratory, Stanford University and the DOE's Lawrence Berkeley National Laboratory (LBNL) grew a twisted multilayer crystal structure for the first time and measured the structure’s key properties.
Recently, a research team from Hainan University and East China Normal University designed a site-resolved tunnelling experiment using Ar-Kr+ as a prototype system with an internuclear distance of 0.39 nm to track the electron tunneling via the neighboring atom in the system of sub-nanometer scale.
The Korea Institute of Science and Technology (KIST) announced that Dr. Hyang-Tag Lim and his team at the Center for Quantum Information have succeeded in implementing a distributed quantum sensor that can measure multiple spatially-distributed physical quantities with high precision beyond the standard quantum limit with few resources.
Quantum technologies bring the promise of faster computing, enhanced drug development and new sensing applications.
With support from the Q-NEXT quantum center, scientists leverage nanoscale-research facilities to conduct pioneering precision studies of qubits in silicon carbide, leading to a better understanding of quantum devices and higher performance.
New findings debunk previous wisdom that solid-state qubits need to be super dilute in an ultra-clean material to achieve long lifetimes. Instead, cram lots of rare-earth ions into a crystal and some will form pairs that act as highly coherent qubits, shows paper in Nature Physics.
This experimental milestone allows for the preservation of quantum information even when entanglement is fragile.
Researchers observe the quantum coherence of a quintet state with four electron spins in molecular systems for the first time at room temperature.
For the first time, scientists have succeeded in the stabilisation and direct imaging of small clusters of noble gas atoms at room temperature. This achievement opens up exciting possibilities for fundamental research in condensed matter physics and applications in quantum information technology.
The boundary between everyday reality and the quantum world remains unclear. The more massive an object, the more localized it becomes when being made quantum through cooling down its motion to the absolute zero. Researchers propose an experiment in which an optically levitated nanoparticle, cooled to its ground state, evolves in a non-optical (“dark”) potential created by electrostatic or magnetic forces.
Recent research, published in the New Journal of Physics on November 17, 2023, shows that these experiments don’t actually show particles splitting from their properties, but instead display another counterintuitive feature of quantum mechanics — contextuality.
A team of researchers from Korea, Canada, and the UK have proposed a new quantum model that explains the power law distribution and herding behavior in stock returns.
Researchers at the Georgia Institute of Technology have created the world’s first functional semiconductor made from graphene, a single sheet of carbon atoms held together by the strongest bonds known. The breakthrough throws open the door to a new way of doing electronics. Video summary: https://www.youtube.com/watch?v=gWUX2OTqkEo
The Co-design Center for Quantum Advantage has been growing, building, and working hard every year to support their mission—building the tools necessary to create scalable, distributed, and fault-tolerant quantum computer systems. Here are some of this year's highlights.
In this study, researchers addressed the question of whether the liquids of nucleons and quarks are fundamentally different. Both liquids produce vortices when they rotate, but in quark liquids, the vortices carry a “color-magnetic field.” There is no such effect in nucleon liquids, so these vortices distinguish quark liquids from nuclear liquids.
With the rise in machine learning applications and artificial intelligence, it's no wonder that more and more scientists and researchers are turning to supercomputers. Supercomputers are commonly used for making predictions with advanced modeling and simulations. This can be applied to climate research, weather forecasting, genomic sequencing, space exploration, aviation engineering and more.
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