Nonequilibrium statistical mechanics in one-dimensional bose gases

Year: 2016

Authors: Baldovin F., Cappellaro A., Orlandini E., Salasnich L.

Autors Affiliation: ‎Univ Padua, Dipartimento Fis & Astron Galileo Galilei, Via Marzolo 8, I-35122 Padua, Italy; CNISM, Unita Ric Padova, Via Marzolo 8, I-35122 Padua, Italy; Ist Nazl Fis Nucl, Sez Padova, Via Marzolo 8, I-35122 Padua, Italy; INO CNR, Sez Sesto Fiorentino, Via Nello Carrara 1, I-50019 Sesto Fiorentino, Italy

Abstract: We study cold dilute gases made of bosonic atoms, showing that in the mean-field one-dimensional regime they support stable out-of-equilibrium states. Starting from the 3D Boltzmann-Vlasov equation with contact interaction, we derive an effective 1D Landau-Vlasov equation under the condition of a strong transverse harmonic confinement. We investigate the existence of out-of-equilibrium states, obtaining stability criteria similar to those of classical plasmas.


Volume: 2016      Pages from: 063303-1  to: 063303-18

KeyWords: quantum gases; Boltzmann equation
DOI: 10.1088/1742-5468/2016/06/063303

Citations: 7
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