Articles tagged with Superconduction
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A new device, Superconducting Earthquake Early-warning Device (SEED), could detect minute gravity fluctuations caused by earthquakes, potentially speeding up earthquake early warning systems. The device aims to detect large earthquakes within 5-10 seconds, complementing existing seismic wave-based systems.
Scientists have identified magic-angle twisted bilayer graphene as a promising material for high-temperature superconductivity. Researchers found that nematic order in MATBG originates from the interference between fluctuations of a novel degree-of-freedom combining valley and spin degrees.
Researchers at Princeton University have achieved an unprecedented level of fidelity in two-qubit silicon devices, paving the way for the use of silicon technology in quantum computing. The study's findings suggest that silicon spin qubits have advantages over other qubit types, including scalability and size limitations.
Researchers at University of Illinois discover key connection between symmetry and Mott physics, providing new insight into high-temperature superconductivity. They found that breaking a hidden symmetry destroys Fermi liquids, implying that all models of Mott insulators must break this particle-hole symmetry.
Scientists have achieved efficient quantum coupling between two distant magnetic devices, which can host magnons and exchange energy and information. This achievement may be useful for creating new quantum information technology devices.
Researchers at the University of Innsbruck have successfully manipulated dark states in superconducting circuits using microwave radiation. The team's discovery opens up new possibilities for quantum simulations and information processing, which could have significant implications for fields such as chemistry and materials science.
Researchers at Cornell University discovered that magnetism is key to understanding the behavior of electrons in high-temperature superconductors. They found that at a critical point, most of the electrons in a particular region vanish, and magnetism explains this phenomenon.
University of Houston researchers have developed a pressure-quench process that enhances superconductivity in materials at room temperature, potentially revolutionizing electric power transmission. This breakthrough could lead to highly efficient electric power transmission systems with zero energy wasted.
Researchers have created and detected dispersing excitons in a metal using angle-resolved photoemission spectroscopy, a breakthrough that could enable efficient data transmission. The discovery of mobile excitons in TaSe3 reveals their mobility and potential to revolutionize electronics.
Research team discovers compound KV3Sb5 exhibiting simultaneous quantum phenomena, including superconducting phase with broken time reversal symmetry. The findings provide experimental evidence for a new type of unconventional superconductivity in kagome metals.
Researchers at PSI's Laboratory for Muon Spin Spectroscopy have discovered strong evidence of exotic charge order and orbital currents in a correlated kagome superconductor. The findings provide a new insight into unconventional superconductivity and its relationship with the quantum anomalous Hall effect.
Japanese researchers use supercomputer simulations to determine stable ternary hydrides with room-temperature superconductivity. The study identifies potential candidates, including Y-Mg-H systems, and highlights the importance of hydrogen content in superconducting phenomena.
Researchers used a new method to study phonons and electrons in cuprates, resolving the basis for high-temperature superconductivity. The method, developed by Clemson University's Yao Wang, enabled accurate calculations of electron-phonon coupling and its impact on neighboring electrons.
Researchers at MIT have developed ultrathin superconducting qubits using hexagonal boron nitride, enabling smaller devices with reduced interference. The material's defect-free structure reduces cross-talk, paving the way for thousands of qubits in a device.
Scientists have created the world's lightest version of magnesium, a record-setting isotope that helps refine theories on atomic structure. The unstable isotope was produced using particle accelerators and decays within tenths of a second, making it impossible to measure directly.
Researchers have discovered a new material, α-MoO3, that can be used to create invisibility concentrators with improved performance and lower production costs. The study suggests the use of α-MoO3 to control energy flow and scatter light, enabling the creation of devices with near-perfect invisibility.
Theorists at the University of Chicago have developed a new scheme for trapping single photons in a cavity, creating a 'wall' that prevents further photons from entering. This mechanism allows two sources to emit selected photons into a cavity before destructive interference cancels them out.
The study found that applying an electrical potential can stabilize high-temperature superconducting superhydrides at much lower pressures than previously thought. This new method could lead to the creation of new materials with broad applications in consumer and industrial sectors.
Researchers at TU Dresden discover a new state of matter created by four electrons in certain superconducting metals, potentially revolutionizing energy transport. The finding has significant implications for the energy industry, where up to 15% of energy is lost due to transport resistance.
Researchers build a bridge between magnetism and superconductivity communities, highlighting the potential of curvilinear geometry to modify existing functionalities and launch new ones. The approach enables investigations into curvature effects in systems with vector and scalar order parameters.
Researchers have developed a superconducting silicon-photonic chip for quantum communication, enabling optimal Bell-state measurement of time-bin encoded qubits. This breakthrough enhances the key rate of secure quantum communication and removes detector side-channel attacks, significantly increasing security.
Researchers discovered a resemblance between magic graphene's superconductivity and high-temperature superconductors, shedding light on the mysterious ceramic compounds. The study provides evidence for unconventional superconductivity in magic bilayer graphene.
Boston College physicists uncover novel charge density waves and symmetry-broken phases in the topological kagome metal CsV3Sb5, leading to superconductivity at low temperatures. The study reveals a 'cascade' of correlated electron states driving electrical conduction and potential implications for unconventional electron pairing.
Scientists discovered structural and surface chemistry defects in superconducting niobium qubits that may cause loss. The study pinpointed these defects using state-of-the-art characterization capabilities at the Center for Functional Nanomaterials and National Synchrotron Light Source II.
New research from Shibaura Institute of Technology reveals that spark plasma sintering produces highly dense MgB2 bulks with improved mechanical and superconducting properties. The resulting samples exhibit superior strengths and high trapped field performance, making them suitable for space applications and electric machines.
Scientists have discovered two new cerium superhydrides, CeH9 and CeH10, which exhibit superconductivity at lower pressures than previously known compounds. This breakthrough brings researchers closer to creating room-temperature superconductors with more manageable pressure conditions.
Researchers at the University of Tokyo have made a surprising discovery about the behavior of electrons in iron-based superconducting materials. They found that the electrons form a nematicity wave, which could help them understand how electrons interact with each other in superconductors and lead to new discoveries.
Researchers found nodeless superconductivity in Kagome superconductor CsV3Sb5 using precise measurements of magnetic penetration depth. The study provides key evidence for two-gap s-wave superconductivity and constrains theoretical models for pairing mechanism.
Researchers developed a novel detector system using superconducting nanowire single-photon detectors to measure cerebral blood flow. The SNSPD-DCS system showed significant improvement in signal-to-noise ratio compared to conventional SPAD-based DCS, allowing for clearer detection of arterial pulses.
A novel alternative mechanism to achieve superconductivity in graphene has been discovered by researchers at the Center for Theoretical Physics of Complex Systems. This breakthrough involves interactions between electrons and bogolons, which can confer superconductivity up to 70 Kelvin within graphene.
The review highlights the use of pressure as a versatile method to explore new materials and gain insight into high-temperature superconductor mechanisms. Iron-based superconductors exhibit a relatively high transition temperature, with research efforts focusing on raising this temperature through pressure-induced effects.
Researchers at Diamond Light Source used Resonant Inelastic X-ray Scattering (RIXS) to study the magnetic properties of nickelate superconductors. The study revealed that these materials exhibit similar magnetic behavior to cuprates, bringing scientists closer to understanding how high-temperature superconductivity arises.
Researchers demonstrate superconductivity in iron selenide crystals without applied pressure using a new pressure-quench technique. The method retains the high-temperature superconductive phase even after removing the applied pressure, bringing scientists closer to realizing room-temperature superconductivity at ambient pressure.
Researchers have successfully connected ultrathin semiconductors with superconducting contacts for the first time, enabling new quantum phenomena and potential applications in electronics. The study uses monolayer molybdenum disulfide with superconducting contacts to exhibit unique electronic properties.
A research team found an unusual competition between charge density wave (CDW) and superconductivity in CsV3Sb5. They discovered that increasing pressure can suppress the CDW state, leading to an abnormal superconducting phase diagram with a double dome shape.
Researchers at NUST MISIS and other institutions have experimentally proved the existence of a new type of quasiparticle - doublon topological excitations - in qubit chains. This discovery could be a step towards disorder-robust quantum metamaterials.
Scientists from NUST MISIS and MIPT create a system with ultra-strong photon-to-magnon coupling, enabling efficient information exchange between hybrid quantum systems. This breakthrough reduces the electromagnetic resonator size by hundreds of times, increasing photon-magnon interaction by several times.
Scientists from Shibaura Institute of Technology in Japan have created single-crystalline bulk superconductors that can trap magnetic fields, achieving temperatures above liquid nitrogen's boiling point. This breakthrough enables low-cost production of high-performance materials for various engineering applications.
A team of physicists has discovered that a thin layer of Niobium diselenide exhibits two-fold rotational symmetry, a phenomenon not seen before in real materials. This finding could lead to the development of unconventional superconducting states for use in quantum computing.
Researchers found that nematic regions can be suppressed by structural disorder, particularly at the transition point of electronic nematicity. This phenomenon may indicate a hidden quantum critical point in the material.
Correlated errors in quantum computers indicate a problem that must be acknowledged and addressed for fault-tolerant development. The study suggests that simple design changes can mitigate local effects, but the bigger concern is what could happen next.
Researchers at the University of Bath have discovered a new mechanism that enables magnetism and superconductivity to coexist in iron-based materials. The study found that RbEuFe4As4 exhibits both properties below -258°C, which could lead to breakthroughs in green energy technologies and next-generation computer hardware.
Scientists have developed a new method to read out superconducting circuits using light, enabling the engineering of large-scale quantum systems without requiring enormous cryogenic cooling power. This breakthrough overcomes scaling challenges and facilitates long-range transfer and networking between quantum systems.
Researchers have discovered a high-temperature superconductor in the 2D material W2N3, with a critical temperature of 21 K. This finding has significant implications for the development of nanoscale devices and our understanding of topological properties.
Researchers characterized how electronic states depend on local chemical composition in a compound containing iron, tellurium, and selenium. They discovered that low iron concentration leads to superconductivity and distinct magnetic correlations, while high tellurium concentration creates a topological surface state.
Researchers at Argonne National Laboratory have created a new 2D superconductor that forms at the interface of an oxide insulator, enabling high-temperature superconductivity and raising fundamental questions about its properties. The discovery could lead to breakthroughs in quantum information processing and quantum sensing.
Researchers propose integrating photonic components with superconducting electronics to enable artificial cognitive systems of scale and functionality. This approach may be easier at low temperatures using superconductors than at room temperatures using semiconductors.
Researchers found that electrons behave like they're confined to ultrathin layers or stripes within the material, creating 2D puddles of superconductivity. This phenomenon has practical implications for crafting 2D materials and offers an alternative method for making 2D superconducting states.
Researchers have developed a new technique to synthesize superconducting materials at room temperatures, utilizing a thin film of palladium to separate hydrogen atoms from yttrium. The resulting material exhibits superconductivity at 12 degrees Fahrenheit, improving upon previous results.
Researchers at NIMS and Osaka University have found a way to preserve superconductivity in thin films of atomic-scale thickness when exposed to strong magnetic fields. This discovery could lead to the development of superconducting materials resistant to magnetic fields, enabling topological superconductors for quantum computing applic...
A research team has discovered a new type of superconductor by inducing an extended buckled-honeycomb-vacancy (BHV) ordering in Ir16Sb18. The superconductivity emerges when the BHV ordering is suppressed through extra atom squeezing or Rh substitution, competing with the ordered vacancy as a potential superconducting parent phase.
A research team led by Brown University physicists has found that reducing the repulsive force between electrons in magic-angle graphene makes its superconducting state more robust. This discovery provides important insights into the system's behavior and is a significant step towards understanding unconventional superconductivity.
Researchers studying an iron-based high-temperature superconductor discovered that an energy band gap opens at the intersection of two allowed energy bands on the material's surface. This unexpected electronic behavior could lead to breakthroughs in quantum computing and dissipationless electronic devices.
Researchers at the University of Science and Technology of China and Tsinghua University successfully implement a five-qubit quantum error correcting code using superconducting qubits. They achieve high fidelity logical state preparation with an average value of 98.6%, verifying the viability of experimental realization of quantum erro...
A team of physicists at TUM has developed a coil with superconducting wires capable of transmitting power in the order of more than five kilowatts without significant loss. The researchers optimized the distance between individual windings to achieve a higher power density, paving the way for exciting application areas such as industri...
Carbon nanotubes have been engineered to produce moiré patterns, which could enhance material properties. The researchers' breakthrough has significant implications for the development of superconducting materials with improved performance.
Researchers discovered that twisted graphene at a 1.1-degree angle produces superconductivity, allowing for efficient electricity transport without resistance. The magic angle creates a moiré effect, trapping electrons and phonons in domains that enable superconducting properties.
Scientists at US national laboratories develop a new state-of-the-art half-meter-long prototype magnet that meets requirements for use in existing and future light source facilities. The design offers nearly twice the current capacity with a higher magnetic field, enabling significant improvements in efficiency and cost savings.
Researchers have successfully fabricated superconducting nanowires using DNA origami, allowing for precise addressability and potential applications in nanoelectronics and novel devices. The technique reduces resistance by 90% at low temperatures, enabling the creation of 3D superconducting architectures.
A team of scientists from Shibaura Institute of Technology developed a cost-effective method to enhance the properties of magnesium diboride superconductors using ultrasonication. This approach resulted in a higher critical current density, making bulk MgB2 more accessible and simpler to fabricate.