A kinetic approach to Bose-Einstein condensates : Self-phase modulation and Bogoliubov oscillations

Mendonca, J.T. and Bingham, R. and Shukla, P.K. (2005) A kinetic approach to Bose-Einstein condensates : Self-phase modulation and Bogoliubov oscillations. Journal of Experimental and Theoretical Physics, 101 (5). pp. 942-948. ISSN 1063-7761 (https://doi.org/10.1134/1.2149073)

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Abstract

A kinetic approach to Bose-Einstein condensates (BECs) is proposed based on the Wigner-Moyal equation (WME). In the semiclassical limit, the WME reduces to the particle-number conservation equation. Two examples of applications are (i) a self-phase modulation of a BE condensate beam, where we show that part of the beam is decelerated and eventually stops as a result of the gradient of the effective self-potential, and (ii) the derivation of a kinetic dispersion relation for sound waves in BECs, including collisionless Landau damping. (c) 2005 Pleiades Publishing, Inc.

ORCID iDs

Mendonca, J.T., Bingham, R. ORCID logoORCID: https://orcid.org/0000-0002-9843-7635 and Shukla, P.K.;
  • Item type:Article
    ID code:31209
    Dates:
    Date
    Event
    2005
    Published
    Subjects:Science > Physics
    Department:Faculty of Science > Physics
    Depositing user: Pure Administrator
    Date deposited:13 Jul 2011 08:55
    Last modified:11 Nov 2024 09:45
    URI:https://strathprints.strath.ac.uk/id/eprint/31209
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