Mean field loops versus quantum anti-crossing nets in trapped Bose-Einstein condensates
| ISSN: |
1434-6079
|
|---|---|
| Keywords: |
PACS. 03.75.Fi Phase coherent atomic ensembles; quantum condensation phenomena – 05.30.Jp Boson systems – 32.80.Pj Optical cooling of atoms; trapping
|
| Source: |
Springer Online Journal Archives 1860-2000
|
| Topics: |
Physics
|
| Notes: |
Abstract: We study a Bose-Einstein condensate trapped in an asymmetric double well potential. Solutions of the time-independent Gross-Pitaevskii equation reveal intrinsic loops in the energy (or chemical potential) level behavior when the shape of the potential is varied. We investigate the corresponding behavior of the quantum (many-body) energy levels. Applying the two-mode approximation to the bosonic field operators, we show that the quantum energy levels create an anti-crossing net inside the region bounded by the loop of the mean field solution.
|
| Type of Medium: |
Electronic Resource
|
| URL: |