Superradiant Raman scattering in an ultracold Bose gas at finite temperature

H. Uys, P. Meystre

Research output: Contribution to journalArticlepeer-review

7 Scopus citations

Abstract

We study superradiant Raman scattering from an ultracold, but finite, temperature Bose gas in a harmonic trap. Numerical simulations indicate the existence of distinct time scales associated with the decoherence of the condensed versus thermal fractions, and the concomitant preferred scattering from atoms in low-lying trap states in the regime where superradiance takes place on a time scale comparable to an inverse trap frequency. As a consequence the scattered atoms experience a modest reduction in temperature as compared to the unscattered atoms.

Original languageEnglish (US)
Article number063614
JournalPhysical Review A - Atomic, Molecular, and Optical Physics
Volume77
Issue number6
DOIs
StatePublished - Jun 16 2008

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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