Evidence for a critical velocity in a Bose-Einstein condensed gas

Preprint

7 September 1999

preprint
Published by arXiv in arXiv

https://doi.org/10.48550/arXiv.cond-mat/9909109

Abstract

We have studied dissipation in a Bose--Einstein condensed gas by moving a blue detuned laser beam through the condensate at different velocities. Strong heating was observed only above a critical velocity.

Keywords

EINSTEIN CONDENSED
CRITICAL VELOCITY
CONDENSED GAS
BOSE EINSTEIN
DISSIPATION
HEATING
LASER

All Related Versions

Version 1, 1999-09-07, ArXiv
Published version: Physical Review Letters, 83 (13), 2502.