Researchers recently produced single-photon sources with operating wavelengths compatible with existing fiber communication networks using two-dimensional molybdenum ditelluride semiconductor layers on nano-size pillars.
Things are looking brighter than ever at the Berkeley Lab Laser Accelerator Center. A recently completed upgrade will expand the center’s capabilities into new areas, including studies of particle acceleration, extremely hot plasmas, cancer treatment techniques, and materials for quantum science.
Lancaster University has won a £1.3M award for research into quantum turbulence.
In recent years, research and development on quantum computers has made considerable progress.
Researchers have demonstrated a way to entangle atoms to create a network of atomic clocks and accelerometers. The method has resulted in greater precision in measuring time and acceleration.
Scientists at Argonne National Laboratory created a novel testbed to explore the behavior of electrons in a special class of materials called topological insulators, which could see applications in quantum computing.
Physicists at the University of Basel have experimentally demonstrated for the first time that there is a negative correlation between the two spins of an entangled pair of electrons from a superconductor.
A central theme of quantum science and technology is the investigation of the properties and the uses of quantum interactions, the characteristic correlations among constituents of a quantum system that have no analogous counterparts in classical systems.
Researchers have discovered new properties of tiny magnetic whirlpools called skyrmions. Their pivotal discovery could lead to a new generation of microelectronics for memory storage with vastly improved energy efficiency.
For the first time in experimental history, researchers at the Institute for Quantum Computing (IQC) have created a device that generates twisted neutrons with well-defined orbital angular momentum.
The gauge/gravity duality states that gravity and quantum spacetime emerge from a quantum gauge theory, which lives at the boundary between both theories.
Amazon Web Services (AWS) was recently announced as an industry partner within the Q-NEXT research center. AWS research scientist Antia Lamas-Linares is helping advance technologies for long-distance quantum networks and build a quantum workforce for the future.
Research led by the University of Amsterdam has demonstrated that elusive radiation coming from black holes can be studied by mimicking it in the lab.
Skyrmions and bimerons are fundamental topological spin textures in magnetic thin films with asymmetric exchange interactions and they can be used as information carrier for next generation low energy consumption memory, advanced neuromorphic computing, and advanced quantum computing as they have multiple degrees of freedom that can carry information.
Chirality is the breaking of reflection and inversion symmetries.
Researchers at the University of Chicago’s Pritzker School of Molecular Engineering (PME) have discovered a new material, MnBi6Te10, which can be used to create quantum highways along which electrons can move. These electron thoroughfares are potentially useful in connecting the internal components of powerful, energy-efficient quantum computers.
If you have ever watched water freeze to ice, you have witnessed what physicists call a "phase transition." Osaka Metropolitan University scientists have discovered an unprecedented phase transition during which crystals achieve amorphous characteristics while retaining their crystalline properties.
Over the past years, the Hong Kong Institute for Advanced Study (HKIAS) has made several strategic investments in its future.
Experts in quantum information science and engineering will come together on November 14-15 in Chicago to share their insights and experiences from the forefront of this growing field. The fifth annual Chicago Quantum Summit, hosted by the Chicago Quantum Exchange, will convene academic, government, and industry leaders in quantum information science and engineering.
In the field of molecular magnetism, the design of devices with technological applications at the nanoscale —quantum computing, molecular spintronics, magnetic cooling, nanomedicine, high-density information storage, etc.— requires those magnetic molecules that are placed on the surface to preserve their structure, functionality and properties.
Quantum dots are clusters of some 1,000 atoms which act as one large ‘super-atom’. It is possible to accurately design the electronic properties of these dots just by changing their size.
A seismic shift in advanced technology is on the way. The Quantum Collaborative is Arizona State University’s answer to this upheaval, uniting quantum technology research efforts and developing a prepared workforce.
Quantum bits (qubits) in a quantum computer serve as a computing unit and memory at the same time. Because quantum information cannot be copied, it cannot be stored in a memory as in a classical computer.
As you walk in a crowded shopping mall, it is easier to maintain social distancing when passing through a large atrium than when you are on an escalator.
Until recently, it was widely believed among physicists that it was impossible to compress light below the so-called diffraction limit (see fact box), except when using metal nanoparticles, which unfortunately also absorb light.
The U.S. Department of Energy (DOE), in coordination with Oak Ridge National Laboratory, today held a groundbreaking for the Stable Isotope Production and Research Center (SIPRC), which will expand the nation’s capability to enrich stable isotopes for medical, industrial, and research applications.
A team at Sandia National Laboratories is reengineering a quantum inertial sensor into a compact, rugged device so the technology can safely guide vehicles where GPS signals are jammed or lost.
A new chip from Aalto University researchers puts photonic information at our fingertips.
Since 2018, Berkeley Lab’s Advanced Quantum Testbed (AQT) has led several scientific breakthroughs in quantum computing across various areas. AQT also operates an open-access experimental testbed designed for deep collaboration with external users from academia, national Laboratories, and industry.
Scientists from Trinity College Dublin believe our brains could use quantum computation after adapting an idea developed to prove the existence of quantum gravity to explore the human brain and its workings.
In a demonstration yesterday, more than 50 students from Kenwood Academy High School on Chicago’s South Side became the first members of the U.S. public to utilize new quantum technology to successfully conduct an important first step towards an ultra-secure vote on a modern hot topic: should social media companies be allowed to censor information/misinformation? The first-of-its-kind event demonstrated foundational technology that could change the future of communications, with impacts on national security, banking, and privacy, while encouraging Chicago’s youth to learn more about quantum information science.
In celebration of Hispanic Heritage - Latin American Heritage Month, 5 QSA-affiliated scientists described how they pivoted to quantum information science (QIS) and technology, and why they're excited about the opportunities for scientific discovery. Featuring Ana Maria Rey, Pablo Poggi, Sergio Cantu, Elmer Guardado Sanchez, and Diego Barberena. QSA (Quantum Systems Accelerator) is a National QIS Research Center funded by the U.S. Department of Energy (DOE). Berkeley Lab leads QSA with Sandia National Laboratories as the lead partner. QSA is composed of 15 member institutions in the United States and Canada.
Every day, researchers discover new details about the laws that govern the tiniest building blocks of the universe. These details not only increase scientific understanding of quantum physics, but they also hold the potential to unlock a host of technologies, from quantum computers to lasers to next-generation solar cells. But there’s one area that remains a mystery even in this most mysterious of sciences: the quantum mechanics of nuclear fuels.
Cleveland Clinic and IBM have begun deployment of the first private sector onsite, IBM-managed quantum computer in the United States. The IBM Quantum System is to be located on Cleveland Clinic’s main campus in Cleveland. The first quantum computer in healthcare, anticipated to be completed in early 2023, is a key part of the two organizations’10-year partnership aimed at fundamentally advancing the pace of biomedical research through high-performance computing. Announced in 2021, the Cleveland Clinic-IBM Discovery Accelerator is a joint center that leverages Cleveland Clinic’s medical expertise with the technology expertise of IBM, including its leadership in quantum computing.
Using existing experimental and computational resources, a multi-institutional team has developed an effective method for measuring high-dimensional qudits encoded in quantum frequency combs, which are a type of photon source, on a single optical chip.
Adaptable and versatile, molecular qubits hold promise for numerous quantum applications. By altering the qubit's host environment, a team supported by the Q-NEXT quantum center has extended the length of time these qubits can maintain information.
Researchers have demonstrated a “first look” at the emergence of quantum many-body scarring (QMBS) states as a robust mechanism for maintaining coherence among interacting qubits, offering the possibility of extensive multipartite entanglement for applications in quantum channels to achieve high processing speed with low power consumption.
A series of buzzing, bee-like “loop-currents” could explain a recently discovered, never-before-seen phenomenon in a type of quantum material.
Spin is the intrinsic magnetic moment of a particle – an electron, for example. It is a fundamental magnitude, like mass and charge.
Hong Kong Institute for Advanced Study (HKIAS) of the City University of Hong Kong (CityU) congratulates Professor Alain Aspect on winning the Nobel Prize in Physics 2022.
Achieving scalability in quantum processors, sensors, and networks requires novel devices that are easily manipulated between two quantum states. A team led by Berkeley Lab researchers has developed a method, using a solid-state “twisted” crystalline layered material, which gives rise to tiny light-emitting points that can be switched on and off with the simple application of an external voltage. The research could lead to a new way to make quantum bits, or qubits, which encode information in quantum computers.
The Royal Swedish Academy of Sciences has awarded the 2022 Nobel Prize in Physics to Alain Aspect, John Clauser, and Anton Zeilinger "for experiments with entangled photons, establishing the violation of Bell inequalities and pioneering quantum information science."
The ‘think tank’ ‘Fundamental Questions Institute’ (‘FQXI’) has sponsored coordinated research, articles and a press release comparing two theoretical versions of ‘objective reduction’ (‘OR’), proposals for gravity-related collapse of the quantum wavefunction.(1-3) They also wrongly insinuate that the ‘Orch OR’ theory of consciousness I put forth with Sir Roger Penrose in the mid 1990s (4,5) has been refuted.
The 2022 Nobel Prize in physics was awarded to Alain Aspect, John F. Clauser, and Anton Zeilinger “for experiments with entangled photons, establishing the violation of Bell inequalities and pioneering quantum information science.” To help journalists and the public understand the context of this work, AIP is compiling a Nobel Prize resources page featuring relevant scientific papers and articles, quotes from experts, photos, multimedia, and other resources.
Scientists recently tested the ability of three techniques called entanglement witnesses to accurately identify pairs of entangled magnetic particles. Of the three, quantum Fisher information (QFI) performed best, routinely locating entanglement in complex materials. This work is the most thorough examination of QFI’s capabilities to date and is the first to apply QFI to massive solid materials.
In the future, quantum computers and sensors are expected to be distributed around the globe, and they will need to be connected through a quantum version of the internet. At a recent workshop, researchers discussed paths to building a quantum network.
Two milliseconds – or two thousandths of a second – is an extraordinarily long time in the world of quantum computing.
A new testbed facility capable of testing superconducting qubit fidelity in a controlled environment free of stray background radiation will benefit quantum information sciences and the development of quantum computing.
A new technique that combines electron microscopy and laser technology enables programmable, arbitrary shaping of electron beams. It can potentially be used for optimizing electron optics and for adaptive electron microscopy, maximizing sensitivity while minimizing beam-induced damage. This fundamental and disruptive technology was now demonstrated by researchers at the University of Vienna, and the University of Siegen. The results are published in PRX.
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