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.

引用

页数：9

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