Bose Condensate in a Double-Well Trap: Ground State and Elementary Excitations
Statistical Mechanics
2009-10-31 v1
Abstract
We study the Bose-Einstein condensate in the MIT double-well trap. We calculate the ground state density profile of Na atoms and the Bogoliubov spectrum of the elementary excitations as function of the strength of the double-well barrier. In particular, we analyze the behavior of quantum-mechanical collective excitations. Finally, we discuss the observability criteria for macroscopic quantum tunneling and macroscopic quantum self-trapping.
Keywords
Cite
@article{arxiv.cond-mat/9908146,
title = {Bose Condensate in a Double-Well Trap: Ground State and Elementary Excitations},
author = {L. Salasnich and A. Parola and L. Reatto},
journal= {arXiv preprint arXiv:cond-mat/9908146},
year = {2009}
}
Comments
4 pages, 2 figures, to be published in Phys. Rev. A (Brief Report)