Results 51 to 60 of about 1,582 (138)
Quasipure Bose-Einstein condensate immersed in a Fermi sea. [PDF]
Physical Review Letters, 2001 We report the observation of coexisting Bose-Einstein condensate (BEC) and Fermi gas in a magnetic trap. With a very small fraction of thermal atoms, the 7Li condensate is quasipure and in thermal contact with a 6Li Fermi gas.
F. Schreck +6 more
semanticscholar +1 more source
Transient Supersolid Properties in an Array of Dipolar Quantum Droplets
Physical Review X, 2019 We study theoretically and experimentally the emergence of supersolid properties in a dipolar Bose-Einstein condensate. The theory reveals a ground state phase diagram with three distinct regimes—a regular Bose-Einstein condensate and incoherent and ...
Fabian Böttcher +6 more
doaj +1 more source
Advanced Physics Research, EarlyView.A pure inverse spin Hall effect (ISHE) is demonstrated in ferromagnetic Ni₈₀Fe2₀/YIG heterostructures via the longitudinal spin Seebeck effect. By employing symmetry‐controlled geometries and reference samples, anomalous Nernst contributions are quantitatively eliminated, revealing intrinsic spin–charge conversion in Ni₈₀Fe2₀.
Hyeon‐Jin Lee +6 more
wiley +1 more source
OPTICAL CONFINEMENT OF A BOSE-EINSTEIN CONDENSATE [PDF]
, 1997 Bose-Einstein condensates of sodium atoms have been confined in an optical dipole trap using a single focused infrared laser beam. This eliminates the restrictions of magnetic traps for further studies of atom lasers and Bose-Einstein condensates.
D. Stamper-Kurn +6 more
semanticscholar +1 more source
Quasiparticle Properties of a Mobile Impurity in a Bose-Einstein Condensate. [PDF]
Physical Review Letters, 2015 We develop a systematic perturbation theory for the quasiparticle properties of a single impurity immersed in a Bose-Einstein condensate. Analytical results are derived for the impurity energy, effective mass, and residue to third order in the impurity ...
Rasmus S. Christensen +2 more
semanticscholar +1 more source
Macroscopic quantum tunnelling of a Bose-Einstein condensate in a Cubic-Plus-Quadratic Well
AAPPS BulletinWe study the macroscopic quantum tunnelling of an interacting Bose-Einstein condensate in a cubic-plus-quadratic well that was approximately realized in recent experiment.
Rui-Bin Liu +2 more
doaj +1 more source
Gravitational caustics in an atom laser
Nature Communications, 2021 Previously, the study of caustics has mostly focused on experiments with light. Here, the authors demonstrate gravitational caustics and investigate catastrophe atom optics using the matter waves of an atom laser generated from a Bose-Einstein condensate.
M. E. Mossman +3 more
doaj +1 more source
Laser &Photonics Reviews, EarlyView.This review summarizes recent progress in meta‐photonics with a focus on bound states in the continuum (BICs) as a powerful platform for light confinement and control. It covers fundamental concepts, design strategies across optical regimes, symmetry breaking for practical quasi‐BICs, tunable and AI‐assisted BIC devices, and emerging applications in ...
Hafiz Saad Khaliq, Hak‐Rin Kim
wiley +1 more source
Watching dark solitons decay into vortex rings in a Bose-Einstein condensate. [PDF]
Physical Review Letters, 2000 We have created spatial dark solitons in two-component Bose-Einstein condensates in which the soliton exists in one of the condensate components and the soliton nodal plane is filled with the second component.
B. Anderson +6 more
semanticscholar +1 more source
Semiclassical solutions localized in a neighborhood of a circle for the Gross-Pitaevskii equation [PDF]
Компьютерные исследования и моделирование, 2009 Non-collapsing soliton-like wave functions are shown to exist in semiclassical approximation for the Bose-Einstein condensate model based on the Gross-Pitaevskii equation with attractive nonlinearity and external field of magnetic trap of special form.
Aleksei Vladimirovich Borisov +2 more
doaj +1 more source