Results 21 to 30 of about 35,745 (207)
Polymer Bose–Einstein condensates [PDF]
Physics Letters B, 2013 In this work we analyze a non--interacting one dimensional polymer Bose--Einstein condensate in an harmonic trap within the semiclassical approximation. We use an effective Hamiltonian coming from the polymer quantization that arises in loop quantum gravity. We calculate the number of particles in order to obtain the critical temperature.
Castellanos, E., Chacón-Acosta, G.
openaire +3 more sources
Bose-Einstein condensation superconductivity induced by disappearance of the nematic state. [PDF]
Sci Adv, 2020 The crossover from BCS superconductivity to BEC superconductivity is controlled by electronic nematicity in FeSe1 − xSx. The crossover from the superconductivity of the Bardeen-Cooper-Schrieffer (BCS) regime to the Bose-Einstein condensation (BEC) regime
Hashimoto T +11 more
europepmc +2 more sources
Theory of Bose-Einstein condensation in trapped gases [PDF]
, 1998 The phenomenon of Bose-Einstein condensation of dilute gases in traps is reviewed from a theoretical perspective. Mean-field theory provides a framework to understand the main features of the condensation and the role of interactions between particles ...
F. Dalfovo +4 more
semanticscholar +1 more source
Generalized Bose–Einstein Condensation [PDF]
Journal of Low Temperature Physics, 2011 Generalized Bose-Einstein condensation (GBEC) involves condensates appearing simultaneously in multiple states. We review examples of the three types in an ideal Bose gas with different geometries. In Type I there is a discrete number of quantum states each having macroscopic occupation; Type II has condensation into a continuous band of states, with ...
Mullin, William J., Sakhel, Asaad R.
openaire +2 more sources
Spinor Bose–Einstein condensates [PDF]
Physics Reports, 2012 An overview on the physics of spinor and dipolar Bose-Einstein condensates (BECs) is given. Mean-field ground states, Bogoliubov spectra, and many-body ground and excited states of spinor BECs are discussed. Properties of spin-polarized dipolar BECs and those of spinor-dipolar BECs are reviewed.
Kawaguchi, Yuki, Ueda, Masahito
openaire +2 more sources
Quantum Geometry and Flat Band Bose-Einstein Condensation. [PDF]
Physical Review Letters, 2021 We study the properties of a weakly interacting Bose-Einstein condensate (BEC) in a flat band lattice system by using the multiband Bogoliubov theory and discover fundamental connections to the underlying quantum geometry.
A. Julku, G. Bruun, P. Törmä
semanticscholar +1 more source
Nonequilibrium Bose-Einstein condensation
Physical Review A, 2022 11 pages, 8 ...
Shukla, Vishwanath, Nazarenko, Sergey
openaire +2 more sources
Stirring a Bose Einstein condensate [PDF]
Journal of Physics B: Atomic, Molecular and Optical Physics, 2002 By shining a tightly focused laser light on the condensate and moving the center of the beam along the spiral line one may stir the condensate and create vortices. It is shown that one can induce rotation of the condensate in the direction opposite to the direction of the stirring.
Damski, Bogdan +2 more
openaire +3 more sources
Gravitational Bose-Einstein Condensation in the Kinetic Regime. [PDF]
Physical Review Letters, 2018 We study Bose-Einstein condensation and the formation of Bose stars in virialized dark matter halos and miniclusters by universal gravitational interactions. We prove that this phenomenon does occur and it is described by a kinetic equation.
D. Levkov +5 more
semanticscholar +1 more source
Bose-Einstein condensation at reheating [PDF]
Physical Review D, 2001 4 pages, 4 figures.
MANGANO G. +3 more
openaire +3 more sources