Articles tagged with Bose Einstein Condensates
Researchers observed transition from polariton-solitons to Bose-Einstein condensate by changing laser pumping power. Theoretical model explains the behavior of nonlinear systems, enabling potential applications in telecommunications.
Aalto University researchers have successfully created a new Bose-Einstein condensate that doesn't require cooling to near absolute zero. The condensate is made up of light and electrons in motion in gold nanorods, allowing for faster information processing and potentially enabling the creation of extremely small and fast light sources.
Researchers used a supercomputer to simulate the mixing of two magnetically polarized Bose-Einstein condensates, producing exotic shapes that resemble ink blot tests. The study offers clues to phenomena seen in actual experiments and may have implications for ultra-fast computing and classical-quantum fluid connections.
Scientists have created a new state of matter called Rydberg polarons, where an electron orbits a nucleus at a great distance while many other atoms are bound inside the orbit. The electrons' path is only slightly influenced by neutral atoms, resulting in a weak bond between the Rydberg atom and the surrounding atoms.
Researchers at MIT have invented a new technique to cool atoms into condensates using laser cooling, conserving 70% of the original cloud. The method enables faster investigations into magnetism and superconductivity.
Researchers at the University of Bonn have created exotic quantum states made from light by creating an optical 'well' that traps a super-photon. This achievement marks a significant step towards developing quantum circuits and improving quantum communication and computing capabilities.
The study simulates a complex quantum system that mimics classical physics and creates a 'necklace-like' state with spin-orbit coupling. The researchers found that there must always be an odd number of pearls in the necklace, depending on the strength of the spin-orbit coupling.
The creation of a Bose-Einstein condensate in nickel chloride enables the calculation of macroscopic properties, such as magnetic moments, by treating atoms as waves. This breakthrough uses a single wave function to describe the behavior of a large group of atoms.
Scientists have created a mini electro-optical switch that can change the spin of a liquid form of light by applying electric fields to a semiconductor device. This technology bridges the gap between light and electricity, enabling faster and more powerful electronics.
Researchers have observed experimental indication of a phenomenon where superconductors, lasers, and Bose-Einstein condensates coexist. By combining experiments with theoretical models, they found that high-energy side-peak emission may originate from strongly bound electron-hole pairs persisting in an optical cavity.
Physicists have successfully used artificial intelligence to run a complex experiment, replicating the 2001 Nobel Prize-winning experiment. The AI system cooled a gas to extreme temperatures, far colder than outer space, and made precise measurements with unprecedented accuracy.
Researchers create Bose-Einstein condensate in a biological protein using terahertz radiation, demonstrating Fröhlich condensation. This phenomenon could lead to new medical applications and ways to control chemical reactions in industry.
For the first time, researchers have demonstrated the wavelike behavior of a room-temperature polariton condensate on a macroscopic scale. The team's work has significant implications for future technological breakthroughs, such as polariton micro-lasers and optical transistors.
In a new study published in Nature Physics, Rice University physicists observed ultracold atomic collisions producing gaps between colliding solitons. This phenomenon challenges the expected behavior of solitons, which are waves that do not diminish or change shape as they move through space.
The Joint Quantum Institute theorists have made detailed calculations of the dynamics of a positronium Bose-Einstein condensate. They report that above a critical density, collision processes destroy the internal coherence of the gas, posing challenges for the operation of a gamma-ray laser.
Researchers have created a way to measure Bose-Einstein condensates, the coldest objects in the universe, by canceling out light damage. This allows for longer imaging and potentially indefinite measurement, enabling further study of BECs.
Scientists have successfully controlled a cloud of 40,000 rubidium atoms to maintain them in a non-equilibrium state analogous to the inverted pendulum. By applying bursts of microwave radiation, they stabilized the system's internal spins and prevented it from evolving towards stability.
Researchers at Vienna University of Technology developed a new Mach-Zehnder interferometer using Bose-Einstein condensates, reducing quantum noise by three times. This resulted in improved precision and measurement time, multiplying the original value by three.
Physicists at Georgia Tech studied how quantum information propagates through Bose-Einstein condensates, establishing the top speed for quantum computer communication. The research could address the decoherence problem and enable ultra-fast computing.
Researchers at Vienna University of Technology have discovered an intermediate state between order and disorder in ultra cold Bose-Einstein condensates. This prethermalized state retains quantum memory for a surprisingly long time, characterized by a new length scale that emerges from the initial quantum gas.
Physicists at JILA have successfully cooled a gas of hydroxyl radicals to extremely low temperatures using evaporative cooling. The process enables precise control over molecular energies and interactions, paving the way for advances in ultracold chemistry and quantum simulators.
A team of scientists corrected a fundamental rule in quantum mechanics by slowing down particles to extremely cold temperatures. They used the University of Florida's Microkelvin lab, which can reach temperatures near absolute zero, to observe and manipulate quantum systems.
Researchers at the University of Innsbruck successfully produced the first Bose-Einstein condensate of erbium, a complex element with strongly magnetic properties. This achievement expands the possibilities for studying fundamental questions in quantum physics and offers new insights into quantum magnetism with cold atoms.
ColdQuanta has finalized an agreement with the University of Colorado to commercialize cutting-edge physics research on Bose-Einstein Condensate (BEC), a new form of matter created just above absolute zero. The technology has potential applications in devices such as gyroscopes, accelerometers, and navigation systems.
Scientists from the Max Planck Institute and University of Hanover generate a Bose-Einstein condensate in zero gravity, extending measurement time by over tenfold. The experiment uses an atom chip to study the effects of gravitational fields on quantum gases.
Researchers at Ludwig-Maximilians-Universität München create an artificial crystal of light to observe exotic multiparticle interactions, revealing complex quantum dynamics and periodic collapses and revivals of matter wave fields. The study demonstrates the existence of three-body collisions involving multiple atoms simultaneously.
Researchers at UCR have isolated a collection of pure positronium atoms, a crucial step in creating a Bose-Einstein condensate (BEC) that could enable the production of fusion power. This achievement also brings scientists closer to developing gamma ray lasers with potential military and scientific applications.
Researchers at NIST and their colleagues predict the existence of a new, 'immortal' soliton in ultracold gases. This exotic wave could provide new avenues for studying strongly interacting quantum systems and understanding phase transitions, including those in the early universe.
Physicists at Rice University have successfully created a Bose-Einstein condensate from strontium atoms, marking an important advancement in atomic-scale research. The achievement demonstrates the long-sought creation of a state where individual atoms lose their identity and come together to form a singular lump.
Physicists from the Institute for Quantum Optics and Quantum Information produced a Bose-Einstein condensate of strontium atoms, outperforming competitors in an international race. The breakthrough was achieved using the isotope 84Sr, which has ideal scattering properties for this phenomenon.
Researchers have successfully created a Bose-Einstein condensate of strontium atoms, paving the way for more precise clocks and potential advancements in quantum computing. The achievement is a major breakthrough in ultracold chemistry.
Researchers at Ohio State University have discovered a method to compress atoms in an optical lattice until heat is squeezed out and into a surrounding ultra-cold Bose-Einstein condensate, which can absorb and evaporate the heat away. This new approach aims to overcome temperature as a bottleneck for the creation of light crystals.
Physicists at NIST and the University of Maryland have proposed a method for creating a supersolid, an exotic state of matter that behaves as both a solid and a friction-free superfluid. The team identified clear experimental signatures, verifying the simultaneous existence of these properties in ultracold atoms.
Researchers at the University of Arizona and University of Queensland create a new form of matter called a Bose-Einstein condensate, which can spontaneously spin up into rotating vortices resembling microscopic quantum mechanical hurricanes. This phenomenon occurs when atoms in the gas cool to near absolute zero.
Researchers at NIST create a stable superfluid flow in an ultracold atomic gas using laser light and magnetic fields. This breakthrough may lead to precise navigation gyroscopes and deeper physics insights.
Researchers have developed a device that can map magnetic fields at an unprecedented level of precision, detecting even the smallest magnetic fields with great accuracy. The breakthrough uses ultra-cold Bose-Einstein condensates to create a highly sensitive magnetometer.
Researchers at NIST have developed a technique that uses noise patterns in ultracold atoms to reveal hidden structural patterns, including spacing between atoms and cloud size. This method has the potential to aid in designing more efficient quantum computers.
Physicists at JILA have demonstrated that a surface's warmth increases its attractive force on nearby atoms, a finding with potential implications for devices like atom chips and MEMS. By using ultracold atoms and heated glass surfaces, researchers measured the temperature dependence of the elusive Casimir-Polder force.
Researchers at Harvard University have successfully stopped, store, and revive a light pulse in two separate locations using supercooled sodium clouds. This technique enables precise control over optical information and has potential applications in quantum information processing and cryptography.
Physicists at JILA used vortex lattices to visualize defects in rotating patterns, which could aid in studying superconductors. The experiments simulated the behavior of superfluids and optical lattices, creating a new method for understanding material defects.
Researchers at NIST successfully transferred orbital angular momentum from light to sodium atoms, demonstrating control over the state of an atom. This breakthrough enables manipulation of Bose-Einstein condensates and potentially quantum information systems.
Physicists at UC San Diego observed spontaneous coherence in excitons, a bound pair of electrons and holes that enable semiconductors to function as novel electronic devices. This discovery could lead to the development of new computing devices and insights into quantum properties of matter.
Researchers at EPFL create polariton Bose-Einstein condensate in solid state, exhibiting macroscopic order and long-range coherence. This breakthrough could lead to new technologies like quantum computing and advanced electronics.
Researchers found that magnetic waves propagate simultaneously in all directions in a Bose Einstein condensate state at high magnetic fields and low temperatures. The discovery reveals a 'lost dimension' effect due to atomic behavior in quantum states.
Researchers at UT Austin capture as few as sixty atoms in a laser trap, achieving repeated measurements of quantum atom statistics. The study creates a new field and places scientists one step closer to realizing quantum computing by controlling individual atoms.
Scientists at Georgia Institute of Technology demonstrate that Bose-Einstein condensates exhibit coherence in their internal spin degrees of freedom. This discovery provides a foundation for future research and potential applications in quantum computing.
A team of researchers at UC Berkeley has successfully created a Bose-Einstein condensate in a magnetic storage ring, containing rubidium atoms at extremely low temperatures. The cold collisions of these slow-moving atoms may reveal new insights into quantum physics.
Researchers at MIT have successfully observed fermionic superfluidity in a lithium-6 isotope, enabling the study of high-temperature superconductivity. The team achieved this by cooling gas close to absolute zero and trapping it using laser beams.
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.
Researchers find nanomagnets exhibit 'upturn' in magnetization due to Bose-Einstein condensation, challenging Bloch's temperature law. This new understanding can predict high rate of saturation magnetization in ferromagnetic nanocomposites.
Researchers at the University of Chicago and Innsbruck University successfully synthesized ultracold molecules by binding two atoms together, opening up new possibilities for superchemistry and quantum computing. This breakthrough could lead to the development of quantum computers that work much faster than current computers.
Ultra-cold atoms can help researchers understand quantum systems, including superconductivity. The atoms' interactions can be precisely calculated and controlled.
Researchers at Los Alamos National Laboratory have discovered a rare state of matter, Bose-Einstein condensation (BEC), in the ancient pigment Han Purple when subjected to intense magnetic fields. This finding represents a significant breakthrough in quantum physics and has implications for advanced computing technologies.
Physicists at JILA have observed a novel form of matter, a fermionic condensate, by cooling potassium atoms to extremely low temperatures and applying a magnetic field. The formation of these pairs has potential implications for high-temperature superconductivity and energy efficiency.
Researchers successfully adapted small-angle X-ray scattering (SAXS) to rapidly characterize nanometer-scale grid-like patterns in chip circuitry. The technique offers better than one nanometer precision and could be an able substitute for current dimensional measurement tools.
NIST/University of Colorado researchers create a Bose-Einstein condensate of weakly bound molecules from a gas of fermionic potassium atoms cooled to 150 nanoKelvin. The molecular condensate was produced by passing through conditions that mimic fermionic superfluidity, paving the way for further research into this phenomenon.
Researchers have developed a method to control the behavior of ultra-cold substances, which could lead to significant advancements in quantum computing and precise time measurements. By manipulating the material's density and vortex patterns, scientists can create unique flow patterns that defy traditional solid or liquid states.
Scientists at Berkeley Lab have observed a new exciton state that displays macroscopic ordering, indicating the formation of a Bose-Einstein condensate. This discovery holds promise for ultrafast digital logic elements and quantum computing devices.
Researchers create atomic soliton trains with up to 15 bundles of waves that maintain a constant shape as they propagate without spreading. The techniques developed could lead to extremely precise measurements and new forms of atom lasers.
Researchers at Rice University have successfully created atomic solitons, a type of 'atom wave' that can propagate without dispersing, in a narrow beam of light. This breakthrough has potential applications in ultra-high speed optical communication networks and extremely precise measurements using atom lasers.