Quantum phases of Bose-Fermi mixtures in optical lattices

被引：14
|
作者：
Fehrmann, H [1 ]
Baranov, M [1 ]
Lewenstein, M [1 ]
Santos, L [1 ]
机构：
[1] Leibniz Univ Hannover, Inst Theoret Phys, D-30167 Hannover, Germany
来源：
OPTICS EXPRESS | 2004年 / 12卷 / 01期
关键词：
D O I：
10.1364/OPEX.12.000055
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We analyze the ground-state phase diagram of an ultracold Bose-Fermi mixture placed in an optical lattice. The quantum phases involve pairing of fermions and one or several bosons. Depending on the physical parameters these composites can form a Fermi liquid, a density wave, a superfluid or a domain insulator. We determine by means of a mean-field formalism the phase boundaries for finite tunneling, and analyze the experimental feasibility of these sort of phases. (C) 2004 Optical Society of America.
引用
收藏
页码：55 / 68
页数：14
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