Dissipation-induced symmetry breaking in a driven optical lattice

被引：111

作者：

Gommers, R ^{[1
]}

Bergamini, S ^{[1
]}

Renzoni, F ^{[1
]}

机构：

[1] UCL, Dept Phys & Astron, London WC1E 6BT, England

来源：

PHYSICAL REVIEW LETTERS | 2005年 / 95卷 / 07期

基金：

英国工程与自然科学研究理事会;

关键词：

D O I：

10.1103/PhysRevLett.95.073003

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We analyze the atomic dynamics in an ac driven periodic optical potential which is symmetric in both time and space. We experimentally demonstrate that in the presence of dissipation the symmetry is broken, and a current of atoms through the optical lattice is generated as a result.

引用

页数：4

共 33 条

[1]

AJDARI A, 1994, J PHYS I, V4, P1551, DOI 10.1051/jp1:1994206

[2]

AJDARI A, 1992, CR ACAD SCI II, V315, P1635

[3] Thermodynamics and kinetics of a Brownian motor [J].