Articles tagged with Quantum Magnetism
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Researchers have found a way to stabilize the novel quantum effect in graphene at room temperature, which could lead to breakthroughs in data storage and computer components. The discovery was made using standard microfabrication techniques and showed that the material can generate its own magnetic field.
Researchers have unveiled a new form of magnetism in Sr2RuO4, which can coexist with superconductivity and exists independently. The discovery was made using muons to detect tiny magnetic fields and is expected to provide new insights for basic and applied research.
Scientists have successfully identified how electrons are distributed among atomic orbitals using a top-notch X-ray generator. This breakthrough could guide the engineering of properties in future atomic-scale devices, such as quantum computers and ultra-dense magnetic hard drives.
MnBi2Te4's unique properties make it suitable for ultra-low-energy electronics and observing exotic topological phenomena. The material is metallic along its one-dimensional edges while electrically insulating in its interior.
Researchers found that spin-orbit coupling induces asymmetric interactions between electrons in chromium triiodide, affecting its topological excitations. This discovery could exist in other 2D van der Waals magnets and has implications for spintronics.
Quantum engineers at the University of New South Wales have discovered a new technique to control millions of spin qubits, a critical step towards building a practical quantum computer. This breakthrough uses a novel component called a dielectric resonator to focus microwave power and deliver uniform magnetic fields across the chip.
Researchers have discovered a quantum phase transition in a quasi-2D system consisting purely of spins, which has significant implications for spintronics and quantum computing. The study reveals unexpected manifestations of quantum phase transitions in pure spin systems.
Researchers at Ewha Womans University have created ultra-stable single-atom magnets that can maintain their magnetic state over days. Using Scanning Tunneling Microscopy, the team achieved atomic-scale control of magnetic fields within quantum architectures.
Physicists discovered a discontinuous phase transition in a quantum magnet, mirroring the behavior of water, allowing for precise control over its quantum properties. The study reveals critical-point physics, which is essential for understanding topological phases and protected qubits in these materials.
Scientists discovered elusive type of spin dynamics in a quantum mechanical system, confirming a previously unproven hypothesis. The findings show that the Kardar-Parisi-Zhang scenario accurately describes changes in time of spin chains in certain quantum materials.
Researchers used quantum annealing to simulate magnetic materials, matching theoretical predictions and resembling experimental data. The study provides a foundation for future materials science research and demonstrates the potential of quantum computers in tackling complex problems.
Researchers from China and Hong Kong have broken the limit of multi-parameter quantum measurement without sacrificing precision. By relating simultaneous multi-parameter estimation to Heisenberg uncertainty relations, they achieved a 13.27 dB improvement over the shot-noise limit.
Researchers discovered diverse behaviors in ultracold lithium atom spins influenced by magnetic forces. They used lasers to trap and arrange strings of 40 atoms each, inducing helical patterns that disappeared as individual spins approached equilibrium. The findings may help engineer spintronic devices and novel magnetic materials.
Scientists have successfully detected a topological Kosterlitz-Thouless (KT) phase in the rare-earth magnet TmMgGaO4 using highly sensitive nuclear magnetic resonance and magnetic susceptibility measurements. The experiment confirms long-held theoretical predictions, marking a significant breakthrough in understanding the behavior of q...
Researchers uncover novel quantum effects in a quantized topological phase, providing insights into a 30-year-old theory and demonstrating a proof-of-principle method to discover new topological magnets. The discovery opens up promising platforms for dissipationless current and future green technologies.
Researchers from USTC obtained the ultimate precision for estimating all three components of a magnetic field with entangled probe states under the parallel scheme. They found that tradeoff comes from incompatibility of optimal probe states and presented an approach to quantify tradeoff.
Researchers discovered a novel exciton state in magnetic van der Waals material NiPS3, which is intrinsically a quantum state arising from a transition between two energy states. This breakthrough has significant implications for the field of quantum information and computing.
A joint research team from Hong Kong, Beijing, and Shanghai discovered a rare-earth magnet TmMgGaO4 (TMGO) that realizes the long-sought-after two-dimensional topological Kosterlitz-Thouless (KT) phase. The breakthrough provides the missing piece of KT phenomena in bulk magnetic materials.
A team of researchers has successfully measured the dispersion relation of complex quantum many-body states 'Bethe strings' using inelastic neutron scattering experiments. The results confirm theoretical predictions made by Hans Bethe in 1931 and provide new insights into the properties of these excitations.
Researchers have introduced a novel multi-messenger approach to quantum physics, combining spectroscopy techniques to probe electronic and magnetic materials at nanometer-scale precision. The study reveals unanticipated properties emerging in long-studied quantum materials under strain.
Researchers will build a quantum mechanical magnetic camera using $2 million grant from NSF, enabling them to capture snapshots of weak magnetic fields emanating from quantum materials. The device aims to reveal intricacies of magnetic interactions and may have industrial applications in quality control and medical diagnostics.
Scientists have discovered magnetic Weyl semimetals, which exhibit both topological and magnetic properties. These materials have the potential to enable dissipationless transport and revolutionize data storage and energy conversion.
Researchers at UC Santa Barbara discovered a new material state with quantum disordered liquid-like magnetic moments in sodium ytterbium oxide. This finding confirms the existence of a long-sought 'quantum spin liquid state,' which is desirable due to its association with entanglement.
Physicists have discovered magnon crystallization in a new material, Ba2CoSi2O6Cl2, revealing insights into the ordering of magnons and their effects on magnetic properties. This study expands our understanding of quantum mechanics and its applications.
Physicists have created a quantum simulator that mimics the behavior of magnets at very low temperatures using photons instead of magnetic dipoles. This breakthrough enables researchers to study complex quantum phenomena without requiring expensive experimental setups.
Researchers have made significant progress in understanding magnetic quantum effects in solids, finding that they only occur within narrow parameter ranges. The study sheds light on the behavior of spin systems at different temperatures and interaction parameters.
Researchers have developed a method to measure magnetic properties of superconducting materials at extremely low temperatures and high magnetic fields.
A recent study validates a theory on quantum magnets behaving like photons of light, opening up new possibilities for understanding light's properties. The research team used neutron spectrometers to detect the presence of emergent electric and magnetic fields in a material called praseodymium hafnate.
Researchers built a quantum version of Newton's cradle to study the behavior of quantum particles and understand how they reach thermal equilibrium. They observed that the chaotic motion leads to thermalization in a sequence of two exponential steps, challenging previous predictions.
The QUTIS Group has successfully simulated a particle collision in a large accelerator using a trapped-ion quantum computer. The experiment mimics the creation and annihilation of matter and antimatter, which are difficult to study using conventional computers.
The NMRCloudQ service provides a comprehensive software environment for building quantum circuits and simulating experiments. Users can access a 4-qubit system with various gates, achieving high fidelity rates in single-qubit and two-qubit operations.
Researchers from RIKEN in Japan have discovered a new method to control magnets by manipulating the properties of virtual monopoles. By applying a magnetic field, they can control the behavior of north and south poles in frustrated magnets, leading to a dissipationless current.
Researchers from RIKEN discovered a way to control the properties of north and south poles in frustrated magnets using monopole currents. The system's conductivity can be controlled by applying magnetic fields, enabling efficient magnetism control with minimal energy loss.
Researchers at University of Innsbruck have successfully levitated nanomagnets using quantum physics, exhibiting stability and entanglement properties. This breakthrough defies the classic Earnshaw theorem and opens new avenues for studying exotic quantum phenomena.
The project will develop new contrast agents based on rare earth fluorides, enhancing MRI image analysis for early disease detection. Researchers aim to increase patients' chances for full recovery by improving diagnostics.
A research team at Oak Ridge National Laboratory has confirmed magnetic signatures related to Majorana fermions in alpha-ruthenium trichloride, a material that could enable quantum computations. The study uses neutron scattering to reveal the material's unique magnetic behavior.
Researchers successfully created and decayed isolated quantum monopoles, providing fundamental understanding of their dynamics. The observation reveals that one monopole can spontaneously transform into another in under a second.
The UK Quantum Technologies Innovation Fund has announced its latest funding recipients, with over 30 live demonstrations showcasing cutting-edge technologies. The joint investment by Innovate UK and EPSRC aims to accelerate the application and exploitation of these technologies.
Oriol Romero-Isart receives Euro 4,000 award for seminal contributions to quantum physics topics including degenerate gases and nanooptics.
Researchers used numerical simulations to validate previous theoretical predictions for antiferromagnetic materials, confirming a universal law relating the Néel temperature and staggered magnetisation density. However, discrepancies were found, highlighting the need for further investigation.
Researchers at JILA have discovered that an atomic clock can mimic the behavior of complex quantum systems, including high-temperature superconductors. The study's findings suggest that atoms in the clock interact like those in magnetic materials, leading to correlations and entanglement.
Physicists at ETH Zurich have developed a new device that uses laser beams and atoms to emulate magnetic materials, enabling the study of exotic forms of magnetism. The approach promises groundbreaking insights into the properties of magnetic materials.
Researchers from UCL and EPFL have successfully created a material that mimics the behavior of traditional bar magnets, but at the quantum level. By manipulating the spins of tiny atoms in a transparent salt, they achieved an antiferromagnetic configuration, similar to large bar magnets, without the usual complications.
Researchers developed a special sequence of high-precision electromagnetic pulses to protect the arbitrary quantum state of a single spin. This breakthrough enables the use of nitrogen-vacancy centers in diamond as highly sensitive nanoscale magnetic sensors and potentially, qubits for larger-scale quantum information processing.
Researchers used laser light to create synthetic magnetism in neutral atoms, allowing for unprecedented control over quantum systems. This breakthrough enables the study of phenomena such as electrons in magnetic fields and has potential applications in quantum computing and information science.
Researchers discovered a pressure-driven quantum critical regime in chromium, achieving the first direct measurement of a 'naked' quantum singularity in an elemental magnet. This breakthrough paves the way for understanding magnetic quantum criticality in more complex systems.
Researchers have devised an experimental arrangement to mimic the behavior of electrons in Dirac's theory. The atoms will show Zitterbewegung, a never-before-seen motion, which could provide insight into electron behavior beyond observational scrutiny.
Researchers have detected a hidden magnetic 'quantum order' extending over chains of nearly 100 atoms in a magnetically disordered material. This discovery may lead to the design of devices and materials for quantum information processing, including large-scale quantum computers.
Researchers found telltale signs of a link between quantum effects and thermodynamic properties in YbRh2Si2, shedding light on collective organization of microscopic particles.
Researchers at Stanford University used neutron scattering to study the magnetic properties of insulators with random impurities, discovering a novel model magnet. The introduction of nonmagnetic impurities disrupts long-range magnetic order, leading to unprecedented quantum fluctuations.
Quantum Magnetics Inc. is adapting nuclear quadrupole resonance technology for landmine detection in a portable detector for U.S. marines and a vehicle-mounted system for the U.S. Army. The technology was originally developed for explosives and narcotics detection, with successful demonstrations at airport operations.