Excitations and phase segregation in a two component Bose-Einstein condensate
软凝聚态物质
2007-05-23 v1 超导电性
摘要
Bogoliubov-de Gennes (BdG) equations and the excitation spectrum of a two-component Bose-Einstein condensate (BEC) are derived with an arbitrary interaction between bosons, including long-range and short range forces. The nonconverting BEC mixture segregates into two phases for some two-body interactions. Gross-Pitaevskii (GP) equations are solved for the phase segregated BEC. A possibility of boundary-surface and other localised excitations is studied.
引用
@article{arxiv.cond-mat/0110596,
title = {Excitations and phase segregation in a two component Bose-Einstein condensate},
author = {A. S. Alexandrov and V. V. Kabanov},
journal= {arXiv preprint arXiv:cond-mat/0110596},
year = {2007}
}
备注
9 pages, 2 figures