Multiorbital mean-field approach for bosons, spinor bosons, and Bose-Bose and Bose-Fermi mixtures in real-space optical lattices

被引:12
作者
Alon, Ofir E. [1 ]
Streltsov, Alexej I. [1 ]
Cederbaum, Lorenz S. [1 ]
机构
[1] Heidelberg Univ, Inst Phys Chem, Theoret Chem, D-69120 Heidelberg, Germany
来源
PHYSICAL REVIEW A | 2007年 / 76卷 / 01期
关键词
D O I
10.1103/PhysRevA.76.013611
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
Cold atoms in optical lattices are described in real space by the multiorbital mean-field approach. We consider four typical systems: (i) spinless identical bosons, (ii) spinor identical bosons, (iii) Bose-Bose mixtures, and (iv) Bose-Fermi mixtures, and derive in each case the corresponding multiorbital mean-field energy functional and working equations. The general equations as well as those obtained by explicitly utilizing the translational symmetry of lattices are presented. We discuss the effects of particle-particle interactions and translational symmetry on properties of the solutions.
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页数:9
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