Articles tagged with Quantum Mechanics
Physicist Yongtao Cui will develop advanced experimental techniques to probe collective modes in 2D materials, aiming to understand fundamental principles governing novel electronic phases. The grant will also support graduate students and postdoctoral researchers, training the next generation of quantum scientists.
Researchers create 3D light fields to excite electrons into previously inaccessible quantum states, opening up new avenues for investigating chiral structures and controlling light-matter interactions. This approach could lead to advances in chiral sensing and molecular chirality studies.
Researchers are exploring quantum RF sensing, sensemaking, and related technologies through a three-year MOU. The collaboration combines superconducting quantum technology and advanced signals expertise to address congested electromagnetic environments and complex operational scenarios.
Physicists at University of Toronto have identified 'octupolar' magnetism, a complex form of magnetism with eight poles, using light to probe atomic vibrations. This discovery opens up new avenues for quantum technology development, including controllable memory elements and computing devices.
Researchers developed a unified graph theory framework to describe atom-light interactions across regimes, revealing a vast and intricate network of quantum states. The framework uses a magnetic Laplacian metric to compress complexity into a single number, replacing fragmented approaches for different coupling strengths.
ICFO researchers have achieved the longest storage time for single photons in a solid-state quantum memory, storing them for up to 180 microseconds. This was made possible by the spin rephasing protocol, which counteracts decoherence effects and restores the collective spin excitation.
A research team at the Duke Quantum Center has observed string-breaking dynamics related to particle-antiparticle formation on a quantum simulator. The experiment emulates a phenomenon where two connected fundamental building blocks of matter stretch apart, creating new particles when the connection snaps.
The study presents an asynchronous measurement-device-independent quantum cryptographic conferencing protocol that overcomes scalability challenges in conventional protocols. The protocol enables the generation of secure keys at higher rates, making it suitable for larger-scale quantum networks.
Researchers at Stanford University have documented the first direct observation of quantum jumps of sound in a mechanical resonator, a long-anticipated breakthrough. The study's findings have the potential to advance quantum computing, sensing, and everyday technologies.
An underground experiment has tested a theory linking gravity to quantum decoherence, ruling out a pioneering model. The Gran Sasso National Laboratory provided an ideal environment to detect subtle fluctuations predicted by the theory, but no signal was detected, shedding light on the interplay between gravity and quantum mechanics.
Researchers at UC Santa Barbara extend search for quantum black holes at the LHC, using a novel method to search for new particles. The study informs theories on spacetime structure and provides an exclusion limit on the existence of these tiny objects.
Researchers at the University of Oxford have confirmed the existence of quantum entanglement in particles produced in the Large Hadron Collider. The discovery, published in Physical Review Letters, provides strong evidence for entanglement among the heaviest and most fleeting particles ever created.
Mandal is working to develop computer tools for designing quantum materials required for quantum computers and advanced technologies. His research focuses on understanding and designing materials that can protect delicate quantum states.
Researchers at Chalmers University of Technology have developed a new method for performing advanced quantum operations significantly faster and more efficiently. This breakthrough addresses a well-known bottleneck in quantum computing and paves the way for fault-tolerant quantum computing.
Researchers from Shanxi University and Nanjing University demonstrate two-mode squeezed light in the audio-frequency band on a chip, achieving quantum entanglement between generated optical modes. The system enables stable quadrature measurements across multiple frequency channels, paving the way for future chip-scale quantum sensors a...
Researchers at Tohoku University developed a novel approach to track bending stress in microscopic devices using nitrogen vacancy centers in diamond crystals. The study shows that the sensing region can be integrated into the mechanical device itself, enabling the detection of both tensile and compressive bending stress.
Researchers create powerful optical device with layered semiconductor and metasurface, enhancing nonlinear frequency conversion and enabling efficient light mixing and transformation. The device has potential applications in telecommunications, quantum communication, and photonic quantum computing.
A groundbreaking study reveals that electron spin influences chemical reactions at surfaces, and controlling spin orientation with magnetic fields can dramatically change reaction rates. The study demonstrates the potential for spin-based control of surface chemistry, opening up new possibilities for selective catalysis and reactivity.
An international team has observed a distinctive change in the quantum properties of atoms as they fell under gravity, measuring a tiny difference in quantum phase accumulated while one was falling and the other was held still. This result provides an experimental connection between quantum physics and Einstein's theory of gravity.
Researchers propose that wave function phase is the source of randomness in quantum mechanics, potentially leading to new AI advancements. This idea contradicts current understanding and warrants experimental verification.
Researchers at UT San Antonio have found a way to create tiny clusters of disordered atoms that move oxygen ions more easily at lower temperatures, boosting fuel cell efficiency and durability. The breakthrough could help make fuel cells cheaper, more durable and easier to use outside the lab.
Researchers from the University of Osaka have developed a prediction framework that rapidly evaluates promising quantum materials without sacrificing accuracy. The framework enables the evaluation of optical losses using simplified theoretical expressions, making searches much more tractable.
Fractons, exotic quasi-particles, have been detected in a quantum solid-state model, paving the way for experimental verification. Theoretical physicists had predicted their existence in various systems, including quantum spin liquids, using highly generalised gauge field theories.
A team from the University of Osaka has created a new family of chiral semiconducting polymers that can generate highly spin-polarized electric currents. The polymers' unique molecular structure enhances the material's ability to selectively transmit electrons with a particular spin orientation, paving the way for future energy-efficie...
Researchers at TUM have developed a new method to generate single photons, increasing the photon share in emitted light from 23% to 72% using photonic crystal waveguides. This approach achieves results that were previously only attainable with complex resonator approaches, making it more suitable for quantum communication.
Physicists at the University of Basel have developed a theoretical approach to reconcile thermodynamics and quantum physics. By using a miniature heat engine in a cavity, they can absorb and emit light particles, creating a
Researchers at Rice University have successfully resolved the magnetic structure of hexagonal manganese telluride using uniaxial strain, allowing them to characterize the material's intrinsic magnetic structure. This breakthrough enables tuning of the anomalous Hall effect, a potential game-changer for spin-transport applications.
The competition brings seven teams together to pitch optics and photonics technologies with cash prizes and industry mentorship. Previous winners include Max-IR Labs, Advanced Optronics, and Coalesenz.
Scientists have demonstrated that quantum entanglement between photons can be generated directly from sunlight, opening the possibility of more energy-efficient and accessible quantum technologies. The researchers achieved an entanglement rate of about 94% similarity to a perfectly entangled state.
Researchers at NIST successfully transmitted entangled photons through a commercial fiber-optic network, a crucial step towards building quantum networks. The study demonstrates the feasibility of using existing infrastructure to connect distant users and could enable ultra-secure communications and boost quantum computing power.
Physicists have developed a method to visualize three-dimensional wavefunctions of molecules, enabling the study of molecular interactions. The technique, which uses a table-top soft-X-ray laser and powerful computer algorithms, allows for the imaging of features smaller than atomic scales.
Researchers from Kindai University and Chuo University successfully demonstrated the influence of anomalous tunneling on Bose-Einstein condensates using a cloud-based service. The findings showcase the potential of cloud services to expand theoretical physicists' research capabilities.
Researchers from the University of Waterloo developed a new quantum sensing technique using a molecule as a sensor, enabling precise imaging of single molecules. This technique has potential applications in drug discovery and structural biology.
Researchers developed an inverse-design framework to optimize magnonic crystal design, identifying unconventional lattice structures with large band gaps. The approach enables the exploration of previously unexplored material systems and device dimensions, paving the way for high-speed spin-wave computing and energy-efficient devices
Gert Aarts, a renowned physicist, has been awarded 1.58 million euros in funding from the Wübben Foundation Science to establish an Advanced Professorship at Bielefeld University. He will focus on linking theoretical physics with machine learning and expanding research on strongly interacting matter.
A Tulane University team is using AI to discover new superconductors, which could improve the nation's electrical grid, medical imaging, and quantum computing. The project combines high-fidelity calculations, physics-aware AI, and experimental measurements to accelerate discovery.
Researchers use periodic driving to transform optical lattice into accurate SYK model simulator, reproducing strong quantum chaos and information scrambling. This method opens door to studying complex quantum phenomena in strongly interacting systems.
Researchers at the University of Michigan have created a device that enables control of electron flow using laser light, potentially leading to advancements in sensing, imaging, and telecommunications. The phenomenon relies on quantum interference, allowing for directional control of electrons.
Scientists have successfully prepared and studied radium molecules precisely with lasers in tabletop experiments, marking a breakthrough in understanding the universe's matter-antimatter asymmetry. The new method can be applied to other atoms to create similarly chilled molecules.
Hydrogen displays varying behavior when in vanadium, but researchers have now discovered the role of crystal symmetry in controlling its quantum behavior. Highly symmetric structures allow hydrogen to tunnel between sites, while distorted structures suppress this effect.
Researchers developed a prototype device that autonomously synchronizes distant qubits using a common source of correlated light particles, confirming a 20-year-old prediction. The approach requires no active control or measurement, making it fully autonomous and potentially boosting quantum technology.
Researchers unveiled a technique to build ultra-clean 2D heterostructures using muscovite crystals, eliminating microscopic residues that disrupt electronic device performance. This method enables precise stacking of atomic layers, leading to new properties and potential breakthroughs in quantum computing and nanoelectronics.
Researchers used structured light from quantum optics to transform Boehm's brushes into brighter patterns, improving their detectability. This technique may help diagnose retinal diseases like macular degeneration.
Researchers at ETH Zurich have developed a new approach for quantum computing that separates computation from working memory, using mechanical vibrations to store information. This method has the potential to improve the efficiency of quantum computers and enable them to tackle complex problems more efficiently than classical computers.
Researchers develop annealable ferromagnetic icosahedral quasicrystals with unprecedented structural quality, revealing intrinsic magnetic properties and magnetic criticality. The discovery enables the first systematic investigations of quasiperiodic magnetism and magnetic criticality in QCs.
A team at Graz University of Technology has solved the puzzle of MOF thin film structure using advanced diffraction techniques and computational modeling. They found that prototypical Cu(bdc) thin films are not porous as expected, but instead densely packed with additional hydroxide groups.
Researchers at ETH Zurich have created a technique to create precise 3D maps of electric and magnetic fields close to the surface of chips. This allows for better optimization and testing of chip materials for quantum applications.
A new theoretical framework, Relativity of Spacetime Superpositions, shows that some scenarios describing quantum gravity are equivalent to classical physics with no quantum gravity signatures. The framework helps identify which experimental signatures require a quantum description of gravity.
A team of scientists observed Jahn–Teller polarons in cobalt oxide crystals activated by tailored laser pulses. The study reveals the material's structural, electrical, and magnetic properties can be engineered using ultrafast laser pulses.
Researchers at Texas A&M University develop a laser technique called TRIP to directly measure quantum forces shaping proteins, enabling accurate prediction of how pharmaceutical drugs interact with them. This breakthrough could lead to the design of medicines tailored to specific diseases, revolutionizing precision medicine.
The U-M-led QuPID project aims to design connectable quantum photonic chips for field-ready, lab-grade measurements. The team plans to miniaturize these technologies with a suite of quantum components, envisioned as 'Legos' to be combined for building different devices.
Alyssa Ney's MetaQ project aims to combine physics and philosophy to understand the quantum world, while Martin Kerschensteiner's TACO project targets new strategies for multiple sclerosis therapy using single-cell technologies. Both projects will advance our understanding of complex diseases and forge ahead into new research territories.
Researchers observed quantum oscillations in YbB12 using ultrasonic measurements, revealing new insight into unusual quantum behavior. The findings suggest that sound waves interact more strongly with quasiparticles in the metallic phase.
Researchers develop AI framework using principles of superposition and entanglement to tailor cancer treatment to patients' entire molecular background. The technique predicts health outcomes and suggests genes to target, outperforming standard biomarkers in clinical trials.
Researchers at the University of Technology Sydney have discovered a new method for controlling tiny quantum emitters in hexagonal boron nitride by twisting its layered structure. This breakthrough brings them closer to practical applications in quantum computing, secure communication and ultra-sensitive sensing.
A study by researchers at Kyushu University suggests that continuous parameters in quantum gravity may not be freely adjustable, but rather emerge from operators within the theory. The findings support Einstein's century-old claim about the fundamental laws of nature and have implications for our understanding of quantum gravity.
Researchers at TU Wien discovered high quantum entanglement in a centimeter-sized crystal of a strange metal using the quantum Fisher information. The study provides direct evidence of macroscopic quantum entanglement, potentially explaining unusual properties in high-temperature superconductors.
Researchers have developed a new theory that enables the description and simulation of non-reciprocal interactions, which are essential for studying complex systems like flocks and swarms. By introducing auxiliary degrees of freedom, physicists can now accurately model these systems using established methods.
Researchers developed a new magnetic memory material that can be rewritten using laser light, allowing for faster and more energy-efficient storage and processing of information. This breakthrough could help reduce power consumption in data centers and support future high-speed information systems.
Physicists at UCC develop new technique to measure quantum spin liquids, revealing key properties and emerging particles called 'spinons'. This breakthrough could lead to practical quantum computers by harnessing natural growth of quantum matter.