Mixtures of Bose Gases Confined in a Ring Potential
arXiv:0905.2832 · doi:10.1103/PhysRevLett.103.100404
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.
Final form of the published article, 4 pages, 2 figures