Articles tagged with Absolute Zero
Researchers have identified cerium zirconium oxide as a clear, 3D realization of a rare quantum spin liquid, featuring emergent photons and fractionalized spin excitations. This discovery validates decades of theoretical predictions and has significant implications for next-generation technologies.
Researchers found dramatically enhanced heat oscillations in ZrTe₅ under strong magnetic fields and low temperatures, attributed to a novel mechanism involving electron-phonon interactions. This phenomenon is counterintuitive and has significant implications for understanding quantum transport in semimetals.
Researchers at Chalmers University of Technology and University of Maryland have engineered a new type of refrigerator that can autonomously cool superconducting qubits to record-low temperatures. This breakthrough paves the way for more reliable and error-free quantum computations.
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 Princeton University discovered a sudden change in quantum behavior while experimenting with a three-atom-thin insulator. The findings suggest the existence of unique quantum phase transitions that disobey established theories, promising to enhance our understanding of quantum physics and superconductivity.
A Harvard University research team has demonstrated a new strategy for making and manipulating cuprate superconductors, clearing a path to engineering new forms of superconductivity. The team created a high-temperature, superconducting diode made out of thin cuprate crystals using a low-temperature device fabrication method.
Scientists at Lancaster University have discovered that superfluid helium-3 behaves like a two-dimensional system when probed with mechanical resonators. This finding has significant implications for our understanding of superfluidity and its potential applications in various fields.
Researchers propose standardized criteria for radiative cooling performance evaluation to improve reliability and comparability. The technology uses the sky as a heat sink to achieve cooling below ambient temperatures.
Researchers at the Universities of Jena and Central Florida have created a photon gas that exhibits behavior similar to a conventional gas, with particles moving at different speeds but maintaining a mean velocity defined by temperature. This phenomenon, known as negative temperature, can be cooled or heated, allowing for the creation ...
Researchers at MIT have observed a rare resonance in colliding ultracold molecules for the first time, shedding light on the forces that drive molecules to chemically react. The discovery could lead to new ways to steer and control certain chemical reactions using magnetic fields.
Physicists have observed novel quantum effects in a topological insulator at room temperature, opening up new possibilities for efficient quantum technologies. This breakthrough uses bismuth-based topological materials to bypass the need for ultra-low temperatures.
Researchers improved the Kitaev spin liquid model by freezing electrons in space, allowing only spin contributions at low temperatures. The study successfully explained experimental data and predicted a topological phase in the presence of an external magnetic field.
An international research team led by the University of Göttingen has discovered unexpected quantum effects in naturally occurring double-layer graphene. The study reveals a variety of complex quantum phases emerging at temperatures near absolute zero, including magnetic behavior without external influence.
Researchers have created and observed novel vortices in an ultracold gas, exhibiting unexpected properties due to hidden discrete symmetries. The discovery may lead to breakthroughs in quantum computing and information processing.
A team of scientists at Argonne National Laboratory has developed a new qubit platform formed by freezing neon gas into a solid and trapping an electron there. The platform shows great promise in achieving ideal building blocks for future quantum computers, with promising coherence times competitive with state-of-the-art qubits.
Researchers at Washington State University have created a technique to observe matter wave caustics in atom lasers, resulting in curving cusps or folds. These findings have potential applications for highly precise measurement and timing devices, including interferometers and atomic clocks.
Researchers at Aalto University have developed a precise microwave source that operates at extremely low temperatures, potentially removing the need for high-frequency control cables. The new device could enable larger quantum processors with more qubits, increasing their potential applications in fields like computing and sensing.
Researchers at Skoltech extend the adiabatic theorem to finite temperatures, ensuring more stable quantum dynamics. The findings have significant implications for next-generation quantum devices and computing.
Researchers at TU Wien have invented a new cooling concept that combines thermodynamics and quantum physics to break low-temperature records. By using quantum effects to cool a cloud of ultracold atoms, they achieved temperatures closer to absolute zero than ever before.
Researchers with the CERN-based ALPHA collaboration have achieved world's first laser-based manipulation of antimatter, cooling it down to near absolute zero. This breakthrough enables precision tests to investigate antimatter characteristics and may shed light on fundamental symmetries of the Universe.
A Harvard team has successfully cooled a six-atom molecule to just above absolute zero using laser light, marking the first time such a complex molecule has been achieved. The breakthrough opens up new avenues of study in quantum simulation and computation, particle physics, and quantum chemistry.
Researchers developed a new model to study stresses and flows in ultra-cold superfluids. The findings show that the fluid becomes deformed when flowing around impurities, providing valuable insights into quantum mechanical properties at a macroscopic scale.
Scientists have observed quantum scattering resonances in NO+He inelastic collisions at temperatures ranging from 0.3 to 12.3 K. The study used high-resolution velocity map imaging technique and accurate quantum dynamics calculations, which are in excellent agreement with experimental results.
A recent study resolves a long-standing debate about what happens at the microscopic level when matter transitions into a superconducting or superfluid state. Correlations between pairs of atoms in an ultra-cold gas were found to grow suddenly as the system was cooled below the superfluid transition temperature.
Physicists successfully cool a nanoelectronic chip to a temperature lower than 3 millikelvin using magnetic cooling. They also maintain these extremely low temperatures for seven hours, enabling various experiments close to absolute zero.
Scientists from Ural Federal University discovered a mathematical method to calculate the temperature of single-walled carbon nanotube superconductivity and developed a way to increase it. By adding a zigzag-like internal carbon chain, they increased the superconducting transition temperature by 45 degrees.
Researchers have made significant progress in understanding quantum critical points, which occur at absolute zero and are responsible for phase transitions. The new findings reveal that quantum fluctuations play a crucial role in these phenomena, even at extremely low temperatures.
Physicists at the University of Chicago have confirmed a decades-old theory describing continuous phase transitions. The team observed a quantum phase transition in gaseous cesium atoms, demonstrating the Kibble-Zurek mechanism for both space and time.
Researchers at Brookhaven National Laboratory have produced direct evidence of a predicted state of electronic matter in superconductors. The discovery, confirmed through the use of scanning tunneling microscopy, reveals periodic variations in Cooper pair density across space, validating the 50-year-old prediction.
Researchers create thin films of a copper-oxide compound to study its electronic behavior at near absolute zero. They find that decreasing doping levels or increasing magnetic fields suppresses superconductivity, while Hall resistivity measurements reveal quantum fluctuations and electronic memory.
The discovery confirms a long-discussed mechanism for high-temperature superconductivity and reveals the importance of ytterbium atoms in the material's properties. Quantum fluctuations dominate at temperatures near absolute zero, leading to alternative ordered fundamental states.
Researchers have successfully created stable arrays of magnetic skyrmions at room temperature, a breakthrough that could lead to the development of nonvolatile magnetic memory storage. The discovery opens up new possibilities for electronic devices and potentially reduces energy costs.
Researchers at the University of Chicago observed three exotic, gigantic molecules with a geometric scaling phenomenon, where one molecule is about 5 times larger than the previous one. The findings follow Vitaly Efimov's theoretical prediction in 1970 and demonstrate the power of quantum mechanics.
Researchers cool membrane vibrations to less than 1 degree above absolute zero, opening up possibilities for novel studies of quantum physics and precision measurement devices. The technique harnesses the unique features of ultracold atomic gases, enabling fundamental quantum physics experiments with macroscopic mechanical systems.
Scientists have made a breakthrough in understanding superconductors, proposing a single theoretical framework that could apply to various materials. The unified model suggests a common explanation for the phenomenon, which could lead to more efficient and cost-effective superconductor applications.
Scientists have successfully fabricated and studied thin films of spin ice, a material known for its unique properties. The researchers found that the normal entropy within these films disappears at about half a degree above absolute zero, restoring the Third Law of Thermodynamics.
Researchers from PTB and international partners have created superconducting sensors to detect the magnetic moments of helium-3 atoms with extreme sensitivity. This has allowed them to investigate the unique quantum liquid of helium-3 in detail, enabling the detection and investigation of excitations that behave like Majorana fermions.
Higgs excitations have been observed in a two-dimensional quantum gas near absolute zero temperature. The phenomenon, associated with spontaneous symmetry breaking, can lead to coordinated collective motion and is crucial in the Standard Model of Particle Physics.
Researchers at Tel Aviv University have discovered a new way to melt glass by cooling it to near Absolute Zero, using quantum mechanics to defy classical physics. This breakthrough could pave the way for future materials science discoveries.
A team of Yale physicists has successfully cooled molecules using lasers, bringing scientists closer to individual molecule-based qubits. This achievement promises new applications in quantum computing, chemistry, and particle physics, offering a promising breakthrough in the field.
At near-absolute zero temperatures, quantum mechanics reveals fascinating phenomena such as Bose-Einstein condensates and entanglement. Researchers discuss recent advances in atomic and optical physics, precision timekeeping with ultra-cold atoms, and the potential for monitoring global climate change.
Emil Yuzbashyan, a Rutgers University physicist, has received the Packard Foundation Fellowship for Science and Engineering. The five-year, $625,000 award supports his research on properties of matter at temperatures near absolute zero, which could lead to breakthroughs in quantum devices and superconductivity.
MIT researchers have cooled a dime-sized mirror to 0.8 degrees Kelvin, a temperature that would take 13 billion years for it to circle the Earth. The team hopes to use this technique to observe quantum behavior in large objects, which is currently only possible at extremely low temperatures.
Scientists have discovered a new phase transition in metal YbRh2Si2 at absolute zero, revealing additional changes to electronic properties. This study extends our understanding of phase transitions and is relevant to complex systems like high-temperature superconductors.
High-temperature superconductors exhibit a 'pseudogap' when electrons are bound together, but the new study reveals the same cloverleaf-shaped energy gap appears in both non-superconducting and superconducting states. This finding may provide a key to understanding the superconducting phenomenon.
Researchers have successfully observed the Efimov state in a new state of matter where three cesium atoms behave like an entangled Borromean ring. This achievement may lead to the creation of novel materials with controlled properties, revolutionizing fields such as nanotechnology.
Researchers John S. Wettlaufer and J. G. Dash propose an alternative explanation for the behavior of a solid isotope of helium at low temperatures. They suggest that a thin, lubricating superfluid film forms between the solid and its container due to melting at the boundary, which occurs in all solids.
The MIT team has achieved a record-low temperature of 500 picokelvin, six times lower than the previous record of 3 nanokelvin. This breakthrough could lead to vast improvements in precision measurements and new insights into atomic physics.
Researchers have made significant progress in understanding the behavior of materials at quantum critical points, a stage where materials change phases. The new classification system has shed light on the relationship between quantum criticality and high-temperature superconductivity.
Researchers discover a new form of matter, called BEC, which can collapse and explode when cooled to near absolute zero. The new phenomenon, dubbed a Bosenova, involves the sudden transition from repulsive to attractive interactions between atoms.
Physicists at Georgia Institute of Technology create Bose-Einstein condensates using an all-optical technique, confining rubidium-87 atoms with carbon dioxide lasers. This method is simpler and faster than magnetic confinement, allowing for a wider range of atoms to be used.