arXiv:0905.2832 · Physical Review Letters

Mixtures of Bose Gases Confined in a Ring Potential

J. Smyrnakis, S. Bargi, G. M. Kavoulakis, Manolis Magiropoulos, K. Kärkkäinen, S. M. Reimann

Published Sep 2, 2009• 63 citations

Abstract

The rotational properties of a mixture of two distinguishable Bose gases that are confined in a ring potential provide novel physical effects that we demonstrate in this study. Persistent currents are shown to be stable for a range of the population imbalance between the two components at low angular momentum. At higher values of the angular momentum, even small admixtures of a second species of atoms make the persistent currents highly fragile.

DOI: 10.1103/physrevlett.103.100404

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