FORCED THERMAL RATCHETS

被引：1093

作者：

MAGNASCO, MO ^{[1
]}

机构：

[1] ROCKEFELLER UNIV,NEW YORK,NY 10021

来源：

PHYSICAL REVIEW LETTERS | 1993年 / 71卷 / 10期

关键词：

D O I：

10.1103/PhysRevLett.71.1477

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We consider a Brownian particle in a periodic potential under heavy damping. The second law forbids it from displaying any net drift speed, even if the symmetry of the potential is broken. But if the particle is subject to an external force having time correlations, detailed balance is lost and the particle can exhibit a nonzero net drift speed. Thus, broken symmetry and time correlations are sufficient ingredients for transport.

引用

页码：1477 / 1481

页数：5

共 15 条

[1]

[Anonymous], 1989, FOKKERPLANCK EQUATIO

[2]

DARNELL L, 1990, MOL CELL BIOL

[3] RESONANT ACTIVATION OVER A FLUCTUATING BARRIER [J].