Articles tagged with Quantum Mechanics
Researchers developed a thermal sensor to measure phonon vibrations at a molecular scale, finding that certain pathways cause destructive interference to reduce heat flow. This discovery could lead to the development of new materials and electronics with improved heat dissipation and efficiency.
Researchers at MIT have captured the first images of individual atoms freely interacting in space, visualizing never-before-seen quantum phenomena. The technique allows scientists to directly observe correlations among 'bosons' and fermions, shedding light on their behavior and interactions.
Researchers at University of Rochester and RIT created an experimental quantum communications network to transmit information securely over long distances. The network uses single photons to enable secure communication without cloning or interception.
The 56th Annual Meeting of the American Physical Society's Division of Atomic, Molecular and Optical Physics will present new research on quantum computing, lasers, and Bose-Einstein condensates. Over 1,200 physicists from around the world will convene in Portland, Oregon, June 16-20.
Researchers at Swansea University have made a groundbreaking discovery that reduces quantum noise by creating conditions where measurement becomes impossible. This breakthrough holds potential for applications in quantum experiments and sensitive measurements.
Researchers developed quantum sensors capable of precisely detecting single particles, improving time and spatial resolution. The sensors demonstrated efficiency in detecting high-energy beams of protons, electrons, and pions.
Researchers developed an IEAC framework combining robust security with high-capacity transmission performance, achieving a record 1 Tb/s secure transmission over 1,200 km of optical fibre. The system eliminates the trade-off between security and speed by integrating encryption into the communication process.
Researchers successfully simulated Google's 53-qubit Sycamore quantum circuit using sophisticated tensor network contraction techniques and advanced slicing methods. The approach reduced memory usage while maintaining computational effectiveness, enabling the simulation of complex quantum circuits with modest resources.
Researchers developed new hybrid materials with reduced lattice vibrations and increased mobility of charge carriers, achieving more than a 100% increase in efficiency. This breakthrough decouples heat and charge transport, enabling stable and cheaper thermoelectric materials that can compete with existing compounds.
A team of theoretical physicists from Colorado designed a new type of quantum game that scientists can play on a real quantum computer. The researchers tested their game out on the Quantinuum System Model H1 Quantum Computer, highlighting its potential capabilities.
Quantum Base, a Lancaster University spin-out, has successfully floated on the London Stock Exchange with a £4.8 million fundraising. The company aims to harness quantum technology to address real-world challenges through its patented Q-ID solution for anti-counterfeiting.
Scientists at Rice University have discovered how a disappearing electronic pattern in a quantum material can be revived under specific thermal conditions. The finding opens new doors for customizable quantum materials and in-situ engineering, where devices are manufactured or manipulated directly at their point of use.
Scientists from University of Innsbruck successfully created hot Schrödinger cat states at temperatures up to 1.8 Kelvin, challenging the notion that high temperature destroys quantum effects. This breakthrough opens new opportunities for quantum technologies in warmer environments.
Researchers at USC have demonstrated the first optical filter capable of isolating and preserving quantum entanglement, a mysterious phenomenon at the heart of quantum computing. The filter uses anti-parity-time symmetry to strip away noise and reveal a pure, entangled state.
A study by Philip Kurian and colleagues reveals a revised upper bound on carbon-based life's computational capacity, connecting it to the universe's information-processing limit. The discovery of quantum superradiance in cytoskeletal filaments enables eukaryotic organisms to process information through tryptophan networks.
A team of physicists at Rice University has made a breakthrough in understanding the behavior of strange metals by leveraging quantum information theory. Electron entanglement peaks at a critical transition point, shedding new light on the exotic properties of these materials.
Researchers at Wits University have discovered a way to protect quantum information from environmental disruptions, offering hope for more reliable future technologies. By engineering specific topological properties in quantum states, they can preserve critical information even when disturbed by noise.
Researchers successfully simulated a complete quantum field theory in more than one spatial dimension using a novel type of quantum computer. This approach enables efficient storage and processing of information, allowing for the observation of fundamental features of quantum electrodynamics.
Empa researchers successfully realized a one-dimensional alternating Heisenberg model with a synthetic material, demonstrating strongly entangled spins and long-range correlations. In contrast, an evenly connected homogeneous chain develops an energy gap, exhibiting strong pairwise bonds and rapidly decreasing correlations.
The QIA researchers developed the first operating system designed for quantum networks, called QNodeOS. This breakthrough enables easy programming and execution of applications on a quantum network, lowering barriers for developers.
The study identifies a new area where a correction for the self-interaction error breaks down, allowing researchers to pinpoint flaws and develop solutions. By refining DFT, scientists can design better catalysts, leading to improvements in fields such as food production and technology.
A German-Italian team has discovered a way to simplify the experimental implementation of two-dimensional electronic spectroscopy, allowing for real-time study of electron motion in solids. By adding an optical component to Cerullo's interferometer, researchers were able to control laser pulses more precisely, enabling the investigatio...
Researchers from the University of Warsaw discovered an unexpected order in interatomic collisions, allowing for controlled interactions at higher temperatures. This breakthrough could simplify future experimental realizations and shed light on fundamental questions about quantum and classical worlds.
Researchers from Würzburg have demonstrated quantum tornadoes in momentum space using ARPES. This discovery could pave the way for new quantum technologies, such as orbitronics, which rely on electrons' orbital torque to transmit information.
Scientists from the University of California San Diego have discovered that liquid water separates into two distinct phases under certain conditions, one high-density and one low-density. This finding reveals a unique property of water and has potential applications in fields such as water desalination and pollutant capture.
The Global Physics Summit will feature nearly 1,200 sessions and 14,000 presentations on various topics, including astrophysics, climate science, medicine, and quantum information. Registered journalists and public information officers will receive daily emails with meeting information.
Researchers at Lancaster University are developing high-performance memory devices using self-assembled molecular technology to overcome the von Neumann bottleneck in computing. The Memristive Organometallic Devices (MemOD) project aims to deliver faster, more stable, and energy-efficient AI hardware.
Researchers have developed a new technique for quantum sensing using nanodiamonds in microdroplets, which can detect trace amounts of certain ions and molecules. This method uses flowing droplets and carefully modulated microwaves to ignore unwanted background noise and add precision.
Physicists at JILA and University of Colorado Boulder investigate the interplay between general relativity and quantum entanglement in optical atomic clocks. They discover that interactions between atoms can help to lock them together, leading to unexpected phenomena like atomic synchronization and quantum entanglement.
Researchers from the University of Warsaw have shown that Navier-Stokes equations can be generalized to quantum systems, specifically quantum liquids with restricted particle motion. This discovery opens up new possibilities for research into transport in one-dimensional quantum systems.
Researchers at AWS and Caltech developed a new cat qubit chip, called Ocelot, to suppress errors in quantum computers. The chip uses superconducting circuits to create stable qubits resistant to bit-flip errors.
Researchers have developed a method to observe quantum interference in surface collisions of methane molecules, revealing clear patterns of wave-like behavior that amplify or cancel out different pathways. This discovery confirms the active role of quantum mechanics in controlling molecular interactions at surfaces.
Researchers at Microsoft Quantum Lab West Lafayette advanced complex layered materials for topological quantum computing. The team accurately measured the state of quasi particles, a crucial step towards realizing a topological quantum computer.
Researchers have created a detailed map of the forces acting inside a proton, simulating how the strong force varies across different regions. This breakthrough reveals massive forces of up to half a million Newtons, equivalent to 10 elephants, at minuscule scales.
A new experimental concept called ultrafast vortex electron diffraction allows for direct visualization of electron movement in molecules. This technique effectively isolates coherent electron dynamics, enabling deeper insights into energy transfer and material behavior.
A new laser-based device can analyze gas samples with high precision, detecting molecules at minute concentrations. The technology has potential applications in medical diagnostics, tracking greenhouse gas emissions, and more.
Physicists at Aalto University developed a new method to control qubits using a virtual transition and linear chirp of the drive frequency. This approach increases computational power while reducing hardware overhead.
Researchers in a new study used optical tweezers to isolate and study the products of individual pairs of atoms, offering new insights into how light-assisted collisions occur. By measuring the loss rates of atoms quantitatively, the team mapped out the influence of hyperfine structure on these collisions.
A team of experts at NUS and UNSW Sydney successfully demonstrate that a spinning atomic nucleus exhibits quantum properties, contrary to long-held assumptions. The breakthrough showcases the potential for atomic nuclei as a quantum resource, providing new insights into the fundamental nature of spin precession.
Researchers used Quantum Approximate Optimization Algorithm (QAOA) to cluster jets in high-energy particle collisions, achieving performance comparable to classical algorithms. The study demonstrates the potential of quantum computing in improving jet clustering for practical applications.
Researchers at the University of Surrey discovered evidence of opposing arrows of time emerging from quantum systems. The study suggests that time's arrow may not be fixed, and instead could flow in both forward and backward directions due to processes taking place at the quantum level.
Discounted hotel rates available at select hotels near the Anaheim Convention Center. The Global Physics Summit will feature nearly 14,000 individual presentations on new research in various fields.
Researchers at Johannes Gutenberg University Mainz are working on a subproject to investigate theoretical modeling and experimental realization of concepts for quantum repeaters. They aim to reduce transmission losses and generate high-quality quantum states to build secure quantum networks.
A team of physicists has successfully described the inside of a proton using quantum information tools, revealing maximal entanglement and predicting particle production. The new formalism correctly reproduces all available experimental data, providing insights into the complex interactions within protons.
Research at TU Wien shows that quantum systems exhibit increasing entropy over time, even in isolated systems. This reconciles quantum theory with thermodynamics by defining a 'Shannon entropy' that depends on measurement probabilities.
Researchers have discovered a new way to measure magnetic field orientation using tiny atom-based compasses. The technology has the potential to create precise measurement devices for various applications, including navigation, brain imaging, and medical research.
Researchers at JILA have developed a new method to create highly entangled states in atomic systems by allowing multiple ground levels per atom. This approach enables the generation of stable, interconnected atomic systems, which is crucial for quantum technologies like computing and secure communications. The study focused on four-ene...
Researchers have discovered a unique configuration of twisted bilayer-trilayer graphene that forms a perfectly ordered array of electrons, resulting in a topological electronic crystal. This phenomenon enables effortless electric current flow along the edges while maintaining insulating properties within the interior.
A team of researchers from the University of Ottawa has developed innovative methods to enhance frequency conversion of terahertz (THz) waves in graphene-based structures, unlocking new potential for faster, more efficient technologies in wireless communication and signal processing. These advancements hold great promise for wireless c...
Singapore has joined the Global Network of Optical Magnetometers (GNOME) to search for signals of dark matter and exotic astrophysical fields. The Singapore station, hosted at A*STAR, will use advanced quantum sensors and machine learning algorithms to analyze magnetic field signals and potentially uncover dark matter's presence.
Quantum particles can behave like foxes and rabbits, with one attracting the other but also repelling it, leading to constant motion and formation of time crystals. This effect can be realized in open quantum systems using coupled atoms driven by laser light.
Researchers at the University of Utah and UCI have discovered a unique quantum behavior that allows for the manipulation of electron-spin and magnetization through electrical currents. This phenomenon, dubbed anomalous Hall torque, has potential applications in neuromorphic computing.
Researchers used quantum squeezing to improve gas sensing performance of optical frequency comb lasers, doubling the speed of detectors. The technique allowed for more precise measurements with fewer errors, enabling faster detection of molecules like hydrogen sulfide.
Researchers observe quantum oscillations in CaAs3 near the Mott-Ioffe-Regel limit, showing strong electronic coherence despite insulating behavior. The findings challenge conventional theories and offer a new perspective on quasiparticle coherence.
The American Physical Society's joint March Meeting and April Meeting will convene more than 14,000 physicists from around the world to present new research in various fields. The conference will be held in person in Anaheim, California and online everywhere March 16-21.
Researchers have developed a new quantum sensing technology that can detect individual nuclei, revealing tiny differences in molecular structure and dynamics. This unprecedented sensitivity enables scientists to study the building blocks of nature at an entirely new scale, leading to breakthroughs in fields like drug development.
The new startup, AQSolotl, has developed a quantum controller that enables users to control quantum computers easily using laptops and desktops. The technology, developed by NTU and NUS researchers, is designed to be scalable, adaptable, and cost-efficient.
The University of Michigan's QuPID project seeks to develop robust quantum systems for applications like environmental monitoring, GPS navigation and semiconductor chip quality control. The team aims to create design kits for global adaptation and simplify instrumentation needed to manipulate light properties.
German physicist Christian Schneider has been awarded a European Research Council Consolidator Grant to study the optical properties of two-dimensional materials. His team plans to develop experimental set-ups to investigate the unique properties of these materials, which could lead to new applications in quantum technologies.
The PERTE Chip EPIQ Chair aims to accelerate the adoption of emerging quantum technologies through collaboration between UC3M and Arquimea. The project will focus on strengthening research in microelectronics and quantum technologies, as well as training the next generation of experts.