Bose–Einstein Condensation Beyond the Gross–Pitaevskii Regime
Sign Up to like & getrecommendations! Published in 2021 at "Annales Henri Poincare"
DOI: 10.1007/s00023-020-01004-1
Abstract: We consider N bosons in a box with volume one, interacting through a two-body potential with scattering length of the order \documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$N^{-1+\kappa }$$\end{document}N-1+κ, for \documentclass[12pt]{minimal} \usepackage{amsmath}… read more here.
Keywords: bose einstein; usepackage; document; documentclass 12pt ... See more keywords
Surface Critical Phenomena of a Free Bose Gas with Enhanced Hopping at the Surface
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Statistical Physics"
DOI: 10.1007/s10955-018-2198-3
Abstract: We study the Bose–Einstein condensation in a tight-binding model with a hopping rate enhanced only on a surface. We show that this model exhibits two different critical phenomena depending on whether the hopping rate on… read more here.
Keywords: bose einstein; surface; hopping rate; surface critical ... See more keywords
Driven-dissipative non-equilibrium Bose–Einstein condensation of less than ten photons
Sign Up to like & getrecommendations! Published in 2017 at "Nature Physics"
DOI: 10.1038/s41567-018-0270-1
Abstract: In a Bose–Einstein condensate, bosons condense in the lowest-energy mode available and exhibit high coherence. Quantum condensation is inherently a multimode phenomenon, yet understanding of the condensation transition in the macroscopic limit is hampered by… read more here.
Keywords: bose einstein; equilibrium bose; equilibrium; non equilibrium ... See more keywords
Classical-field description of Bose–Einstein condensation of parallel light in a nonlinear optical cavity
Sign Up to like & getrecommendations! Published in 2021 at "Chinese Physics B"
DOI: 10.1088/1674-1056/abf4f9
Abstract: We study the Bose–Einstein condensation of parallel light in a two-dimensional nonlinear optical cavity, where the massive photons are converted into photon molecules (p-molecules). We extend the classical-field method to provide a description of the… read more here.
Keywords: system; bose einstein; parallel light; einstein condensation ... See more keywords
Bose-Einstein condensation of terahertz photons in an optical microcavity with Landau-quantized electrons
Sign Up to like & getrecommendations! Published in 2024 at "Physical Review B"
DOI: 10.1103/mhkt-4l4h
Abstract: We present a theoretical model for a coherent terahertz radiation source based on Bose-Einstein condensate of incoherently pumped microcavity photons. Energy relaxation is provided by inelastic photon scattering on a two-dimensional electron gas in magnetic… read more here.
Keywords: terahertz; bose einstein; einstein condensation; condensation terahertz ... See more keywords
First-order Bose-Einstein condensation with three-body interacting bosons
Sign Up to like & getrecommendations! Published in 2021 at "Physical Review A"
DOI: 10.1103/physreva.104.043301
Abstract: Bose-Einstein condensation, observed in either strongly interacting liquid helium or weakly interacting atomic Bose gases, is widely known to be a second-order phase transition. Here, we predict a first-order Bose-Einstein condensation in a cloud of… read more here.
Keywords: gas; einstein condensation; order; bose einstein ... See more keywords
Measurement of the order parameter and its spatial fluctuations across Bose-Einstein condensation
Sign Up to like & getrecommendations! Published in 2022 at "Physical Review A"
DOI: 10.1103/physreva.105.033316
Abstract: We investigate the strong out-of-equilibrium dynamics occurring when a harmonically trapped ultracold bosonic gas is evaporatively cooled across the Bose–Einstein condensation transition. By imaging the cloud after free expansion, we study how the cooling rate… read more here.
Keywords: across bose; order parameter; einstein condensation; order ... See more keywords
Quantum degeneracy in mesoscopic matter: Casimir effect and Bose-Einstein condensation
Sign Up to like & getrecommendations! Published in 2024 at "Physical Review B"
DOI: 10.1103/physrevb.109.224519
Abstract: The ground-state phonon pressure is an analogue to the famous Casimir pressure of vacuum produced by zero-point photons. The acoustic Casimir forces are, however, many orders of magnitude weaker than the electromagnetic Casimir forces, as… read more here.
Keywords: pressure; zero point; casimir; bose einstein ... See more keywords
Phase transitions and Bose-Einstein condensation in α -nucleon matter
Sign Up to like & getrecommendations! Published in 2019 at "Physical Review C"
DOI: 10.1103/physrevc.99.024909
Abstract: The equation of state and phase diagram of isospin-symmetric chemically equilibrated mixture of alpha particles and nucleons are studied in the mean-field approximation. The model takes into account the effects of Fermi and Bose statistics… read more here.
Keywords: alpha; einstein condensation; transitions bose; bose einstein ... See more keywords
From Kinetic Instability to Bose-Einstein Condensation and Magnon Supercurrents.
Sign Up to like & getrecommendations! Published in 2018 at "Physical review letters"
DOI: 10.1103/physrevlett.121.077203
Abstract: Evolution of an overpopulated gas of magnons to a Bose-Einstein condensate and excitation of a magnon supercurrent, propelled by a phase gradient in the condensate wave function, can be observed at room temperature by means… read more here.
Keywords: bose einstein; magnon; kinetic instability; einstein condensation ... See more keywords
Control of the Bose-Einstein Condensation of Magnons by the Spin Hall Effect
Sign Up to like & getrecommendations! Published in 2021 at "Physical Review Letters"
DOI: 10.1103/physrevlett.127.237203
Abstract: Michael Schneider, ∗ David Breitbach, Rostyslav O. Serha, Qi Wang, Alexander A. Serga, Andrei N. Slavin, Vasyl S. Tiberkevich, Björn Heinz, Bert Lägel, Thomas Brächer, Carsten Dubs, Sebastian Knauer, Oleksandr V. Dobrovolskiy, Philipp Pirro, Burkard… read more here.
Keywords: magnons spin; einstein condensation; physics; bose einstein ... See more keywords