Normal and anomalous densities in Bose-Einstein condensates with optical lattices

被引：1
|
作者：
Bendacha, M. [1 ]
Boudjemaa, A. [1 ]
机构：
[1] Hassiba Benbouali Univ Chlef, Fac Sci, Dept Phys, Chlef 02000, Algeria
来源：
CANADIAN JOURNAL OF PHYSICS | 2014年 / 92卷 / 05期
关键词：
GASES; ATOMS;
D O I：
10.1139/cjp-2013-0396
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We study the quantum phase transition from the superfluid to the Mott insulator state in two-and three-dimensional Bose-Einstein condensate with optical lattices using Bose-Hubbard Hamiltonian within the generalized Hatree-Fock-Bogoliubov approximation. The behavior of the depletion and the anomalous fraction has been investigated in the Mott insulator phase. We found that at T = 0, these quantities become significant in two and three dimensions. It is shown also that the dimensionality of the lattice enhances the anomalous density.
引用
下载
收藏
页码：375 / 379
页数：5
相关论文
共 50 条
  • [1] Bose-Einstein condensates in optical lattices
    Wasilewski, W
    Trippenbach, M
    Rzazewski, K
    ACTA PHYSICA POLONICA A, 2002, 101 (01) : 47 - 60
  • [2] Bose-Einstein condensates in optical quasicrystal lattices
    Sanchez-Palencia, L
    Santos, L
    PHYSICAL REVIEW A, 2005, 72 (05):
  • [3] Dynamics of Bose-Einstein condensates in optical lattices
    Morsch, O
    Oberthaler, M
    REVIEWS OF MODERN PHYSICS, 2006, 78 (01) : 179 - 215
  • [4] Localization of Bose-Einstein condensates in optical lattices
    Franzosi, Roberto
    Giampaolo, Salvatore M.
    Illuminati, Fabrizio
    Livi, Roberto
    Oppo, Gian-Luca
    Politi, Antonio
    CENTRAL EUROPEAN JOURNAL OF PHYSICS, 2011, 9 (05): : 1248 - 1254
  • [5] Instabilities of Bose-Einstein condensates in optical lattices
    Kuan, W. H.
    Jiang, T. F.
    Cheng, Szu-Cheng
    CHINESE JOURNAL OF PHYSICS, 2007, 45 (02) : 219 - 229
  • [6] Excitations of Bose-Einstein condensates in optical lattices
    Braun-Munzinger, K
    Dunningham, JA
    Burnett, K
    PHYSICAL REVIEW A, 2004, 69 (05):
  • [7] Magnetism of Bose-Einstein condensates on optical lattices
    Search, CP
    Pu, H
    Zhang, W
    Meystre, P
    CONDENSED MATTER THEORIES, VOL 18, 2003, : 61 - 70
  • [8] Transport and disruption of Bose-Einstein condensates in optical lattices
    Scott, RG
    Martin, AM
    Bujkiewicz, S
    Fromhold, TM
    Malossi, N
    Morsch, O
    Cristiani, M
    Arimondo, E
    PHYSICAL REVIEW A, 2004, 69 (03): : 033605 - 1
  • [9] Delocalizing transition of Bose-Einstein condensates in optical lattices
    Kalosakas, G
    Rasmussen, KO
    Bishop, AR
    PHYSICAL REVIEW LETTERS, 2002, 89 (03)
  • [10] Nonlinear polaritons in Bose-Einstein condensates in optical lattices
    Maimistov, AI
    Kazantseva, E
    INTERNATIONAL WORKSHOP ON QUANTUM OPTICS 2003, 2004, 5402 : 107 - 114
12345