Regulating atomic imbalance in double-well lattices

被引：7

作者：

Yukalov, V. I. ^{[1
]}

Yukalova, E. P. ^{[2
]}

机构：

[1] Joint Inst Nucl Res, Bogolubov Lab Theoret Phys, Dubna 141980, Russia

[2] Joint Inst Nucl Res, Dept Computat Phys, Informat Technol Lab, Dubna 141980, Russia

来源：

PHYSICS LETTERS A | 2009年 / 373卷 / 15期

基金：

俄罗斯基础研究基金会;

关键词：

Cold atoms; Double-well lattices; Order-disorder transitions; Quantum information processing; BOSE-EINSTEIN CONDENSATION; PHYSICS; GASES;

D O I：

10.1016/j.physleta.2008.11.067

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

An insulating optical lattice with double-well sites is considered. In the case of the unity filling factor, an effective Hamiltonian in the pseudospin representation is derived. A method is suggested for manipulating the properties of the system by varying the shape of the double-well potential. In particular, it is shown that the atomic imbalance can be varied at will and a kind of the Morse-alphabet sequences can be created. (C) 2009 Elsevier B.V. All rights reserved.

引用

页码：1301 / 1304

页数：4

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