Dissipationless flow and superfluidity in gaseous Bose-Einstein condensates

Preprint

30 August 2000

preprint
Published by arXiv in arXiv

https://doi.org/10.48550/arXiv.cond-mat/0008423

Abstract

We study dissipation in a dilute Bose gas induced by the motion of a macroscopic object. A blue-detuned laser beam focused on the center of a trapped gas of sodium atoms was scanned both above and below the BEC transition temperature. The measurements allow for a comparison between the heating rates for the superfluid and normal gas.

Keywords

DISSIPATIONLESS FLOW
EINSTEIN CONDENSATES
STUDY DISSIPATION
BOSE EINSTEIN
SUPERFLUIDITY
GASEOUS BOSE
SODIUM
LASER

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Version 1, 2000-08-30, ArXiv

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