Biasing Brownian motion in different directions in a 3-state fluctuating potential and an application for the separation of small particles

被引：97

作者：

Bier, M

Astumian, RD

机构：

[1] Section of Plastic and Reconstructive Surgery, Department of Surgery, University of Chicago, Chicago, IL, 60637, MC 6035

来源：

PHYSICAL REVIEW LETTERS | 1996年 / 76卷 / 22期

关键词：

D O I：

10.1103/PhysRevLett.76.4277

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We consider diffusive motion on a periodic, anisotropic potential. Multiplicative three-state noise can bring about net flow. As the speed of this noise varies, the direction of the flux can change. We explain the flux reversals and discuss a possible application for the construction of a device for the separation of small particles.

引用

页码：4277 / 4280

页数：4

共 16 条

[1] FLUCTUATION DRIVEN RATCHETS - MOLECULAR MOTORS [J].

ASTUMIAN, RD ;

BIER, M .

PHYSICAL REVIEW LETTERS, 1994, 72 (11) :1766-1769

[2]

AUSTUMIAN RD, 1996, BIOPHYS J, V70, P637

[3] PERIODICALLY ROCKED THERMAL RATCHETS [J].

BARTUSSEK, R ;

HANGGI, P ;

KISSNER, JG .

EUROPHYSICS LETTERS, 1994, 28 (07) :459-464

[4] Reversals of noise induced flow [J].

Bier, M .

PHYSICS LETTERS A, 1996, 211 (01) :12-18

[5] MATCHING A DIFFUSIVE AND A KINETIC APPROACH FOR ESCAPE OVER A FLUCTUATING BARRIER [J].

BIER, M ;

ASTUMIAN, RD .

PHYSICAL REVIEW LETTERS, 1993, 71 (10) :1649-1652

[6] FORCE-FREE MOTION IN ASYMMETRIC STRUCTURES - A MECHANISM WITHOUT DIFFUSIVE STEPS [J].

CHAUWIN, JF ;

AJDARI, A ;

PROST, J .

EUROPHYSICS LETTERS, 1994, 27 (06) :421-426

[7] CURRENT REVERSAL IN ASYMMETRIC PUMPING [J].

CHAUWIN, JF ;

AJDARI, A ;

PROST, J .

EUROPHYSICS LETTERS, 1995, 32 (04) :373-378

[8] NONEQUILIBRIUM FLUCTUATION-INDUCED TRANSPORT [J].

DOERING, CR ;

HORSTHEMKE, W ;

RIORDAN, J .

PHYSICAL REVIEW LETTERS, 1994, 72 (19) :2984-2987

[9]

Feynman R. P., 1966, FEYNMAN LECT PHYS, V1

[10]

Gardiner C.W., 1985, Handbook of stochastic methods, V3

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