Abstract
The ability to support metastable current-carrying states in multiply connected settings is one of the prime signatures of superfluidity. Such states are investigated theoretically for the case of trapped Bose condensed alkali-metal gases, particularly with regard to the rate at which they decay via thermal fluctuations. The lifetimes of metastable currents can be either longer or shorter than experimental time scales. A scheme for the experimental detection of metastable states is sketched.
| Original language | English |
|---|---|
| Pages (from-to) | R1505-R1508 |
| Journal | Physical Review A - Atomic, Molecular, and Optical Physics |
| Volume | 57 |
| Issue number | 3 |
| DOIs | |
| State | Published - 1998 |
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