Abstract
We report on a rigorous analysis of the ground state of a dilute Bose gas in an external confining potential in the limit where the confinement becomes very strong in two dimensions and as a result the system behaves essentially one-dimensional. We show that the system is well described by a one-dimensional model of Bosons with delta function interaction that was solved long ago by Lieb and Liniger. We explicate 5 parameter regions in which various types of behavior of the system occur. This is relevant for the interpretation of recent experiments on ultra-cold atomic gases in strongly elongated traps.
| Original language | English (US) |
|---|---|
| Title of host publication | XIVth International Congress on Mathematical Physics |
| Subtitle of host publication | Lisbon, 28 July - 2 August 2003 |
| Publisher | World Scientific Publishing Co. |
| Pages | 179-185 |
| Number of pages | 7 |
| ISBN (Electronic) | 9789812704016 |
| ISBN (Print) | 981256201X, 9789812562012 |
| DOIs | |
| State | Published - Jan 1 2006 |
All Science Journal Classification (ASJC) codes
- General Physics and Astronomy