Quantum corrections to a spin-orbit coupled Bose-Einstein Condensate

Loading...
Thumbnail Image
Journal Title
Journal ISSN
Volume Title
A1 Alkuperäisartikkeli tieteellisessä aikakauslehdessä
This publication is imported from Aalto University research portal.
View publication in the Research portal
View/Open full text file from the Research portal
Date
2019-08-22
Major/Subject
Mcode
Degree programme
Language
en
Pages
1-15
Series
Physical Review A, Volume 100, issue 2
Abstract
We study systematically the quantum corrections to a weakly interacting Bose-Einstein condensate with spin-orbit coupling. We show that quantum fluctuations, enhanced by the spin-orbit coupling, modify quantitatively the mean-field properties such as the superfluid density, spin polarizability, and sound velocity. We find that the phase boundary between the plane wave and zero momentum phases is shifted to a smaller transverse field. We also calculate the Beliaev and Landau damping rates and find that the Landau process dominates the quasiparticle decay even at low temperature.
Description
Keywords
Other note
Citation
Liang , L & Törmä , P 2019 , ' Quantum corrections to a spin-orbit coupled Bose-Einstein Condensate ' , Physical Review A , vol. 100 , no. 2 , 023619 , pp. 1-15 . https://doi.org/10.1103/PhysRevA.100.023619