Abstract
A formulation of QFT for BEC system in a trap is presented. The formulation can be extended straightforwardly to thermal field theory to include thermal fluctuation as well. The scheme is more fundamental than the mean-field approximation and the Bogoliubov approach.
| Original language | English |
|---|---|
| Article number | 013609 |
| Pages (from-to) | 013609/1-013609/12 |
| Journal | Physical Review A - Atomic, Molecular, and Optical Physics |
| Volume | 68 |
| Issue number | 1 |
| Publication status | Published - 2003 Jul |
ASJC Scopus subject areas
- Atomic and Molecular Physics, and Optics