Articles tagged with Quantum Mechanics
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.
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.
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.
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.
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.
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.
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 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.
Researchers confirm theory of unique electron orbits, known as 'quantum scars,' which could improve transistor efficiency and enable novel methods for quantum control. The study uses advanced imaging techniques to visualize electron movements in graphene.
Researchers have developed a game-changing catalyst using topological chiral crystals to manipulate electron spin, accelerating the water splitting process and improving hydrogen production efficiency. The breakthrough could make renewable energy technology more viable, bringing us closer to a clean energy future.
Researchers from the University of Kent have demonstrated that quantum information can be used to coordinate devices like drones or autonomous vehicles. The team conducted experiments using real qubits inside a quantum computer developed by IBM, showing that devices can continue to influence each other even after separation.
Researchers at Aalto University have developed a method to create tiny vortices in light, which can carry information and potentially increase data transmission capacity by 8-16 times. The discovery uses quasicrystal design and manipulated metallic nanoparticles to achieve this feat.
Chelsea Walton, a professor of mathematics at Rice University, has been recognized as an American Mathematical Society (AMS) Fellow. Her selection acknowledges her dedication to advancing mathematical research in noncommutative algebra, quantum symmetries, Hopf algebras, and representation theory.
Scientists at DOE's Princeton Plasma Physics Laboratory perfect processes for growing diamond at lower temperatures without sacrificing quality. The breakthrough could enable the implementation of diamond in silicon-based manufacturing, opening a door for advanced electronics and sensors.
Researchers at Empa's nanotech@surfaces laboratory have developed a method to link many spins in a controlled manner, enabling precise measurement of their interactions. This achievement brings theoretical models of quantum physics one step closer to reality.
Researchers used a classical computer and mathematical models to outperform a quantum computer on a task involving a two-dimensional quantum system of flipping magnets. The system displayed a behavior known as confinement, which had previously been seen only in one-dimensional systems.
Kuhn's 'landscape of consciousness' explores diverse theories of consciousness, including materialism, non-reductive physicalism, and quantum theories. The taxonomy is designed to examine their impact on ultimate questions like meaning, purpose, and value.
Researchers developed a machine learning model to predict dielectric function of materials, facilitating novel dielectric material development. The model speeds up calculations by using chemical bonds between atoms and achieving accuracy close to first-principle calculations.
A new benchmark, V-score, has been developed to tackle quantum many-body problems. The V-score combines energy and fluctuation data into a single number, making it easier to rank different methods based on accuracy.
Researchers propose excited states of neutrons could explain contradictory measurements of average lifetime. These states would have slightly higher energy and different lifetimes, resulting in significant discrepancies between measured results.
Researchers at the University of Colorado Boulder have developed a new quantum timekeeper that combines four different clocks into one, allowing for increased precision. The device uses entanglement to reduce uncertainty in its ticking, enabling it to beat benchmark standards for optical atomic clocks.
Researchers created SmartCADD, an AI-powered virtual tool combining quantum mechanics and Computer Assisted Drug Design techniques. The tool speeds up the screening of chemical compounds, significantly reducing drug discovery timelines and identifying promising HIV drug candidates.
Researchers at the University of Copenhagen's Quantum for Life Centre have developed a new mathematical recipe to make quantum simulators more scalable and efficient. This breakthrough could speed up the development of new medicines from years to months by predicting how molecules behave in the human body before laboratory trials.
Karen Jo Matsler, a UTA professor, is being honored for her extensive contributions to physics education and her efforts to support educators nationwide. Her Quantum for All initiative aims to integrate quantum concepts into high school science instruction, preparing students for careers in quantum technology.
Researchers at MIT developed a security protocol that leverages quantum mechanics to guarantee secure data transmission during deep-learning computations. The protocol encodes data into laser light, making it impossible for attackers to copy or intercept information without detection.
A recent study has lifted the veil of topological censorship by revealing a meandering conduction channel that can carry quantized bulk current. The researchers identified mechanisms that allow for tuning between qualitatively different microscopic implementations, challenging traditional theories.
A new quantum sensing approach using diamond nitrogen-vacancy (NV) centers captures real-time electrochemical evolution in battery electrodes. The study reveals non-uniform phase transformations and superparamagnetic behavior in Fe particles, providing new insights into material behavior and failure mechanisms.
Scientists have successfully produced a Majorana fermion, a theoretical particle first proposed in 1937, using quantum interference in a nano-scale electronic circuit. This breakthrough has significant implications for the development of topological quantum computers.
Researchers apply computational technique to understand the 'pseudogap', a long-standing puzzle in quantum physics with ties to superconductivity. The discovery helps scientists in their quest for room-temperature superconductivity, enabling lossless power transmission and faster MRI machines.
Researchers at JILA successfully engineered controllable systems that replicate the universe's most interesting phenomena by manipulating ultracold potassium-rubidium molecules using Floquet engineering. The technique produced two-axis twisting dynamics, generating entangled states for enhanced quantum sensing and precision measurements.
Researchers have developed big algebras, a new mathematical tool that connects abstract algebra and geometry, enabling unprecedented insights into symmetry groups. This breakthrough has the potential to strengthen the connection between quantum physics and number theory.
A new graduate program at Rice University aims to equip students with skills needed to serve as leaders in quantum technology innovation. The program will provide interdisciplinary training to 30 students, combining expertise from quantum physics, optics, and nanotechnology.