PMID: 11909316Mar 23, 2002Paper

Energetics of rocked inhomogeneous ratchets

Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics
D Dan, A M Jayannavar

Abstract

We study the efficiency of frictional thermal ratchets driven by a finite frequency driving force and in contact with a heat bath. The efficiency exhibits varied behavior with driving frequency. Both nonmonotonic and monotonic behavior have been observed. In particular, the magnitude of the efficiency in the finite frequency regime may be more than the efficiency in the adiabatic regime. This is our central result for rocked ratchets. We also show that for the simple potential we have chosen, with only spatial asymmetry (homogeneous system) or only a frictional ratchet (symmetric potential profile), the adiabatic efficiency is always more than in the nonadiabatic case.

References

Mar 1, 1996·Physical Review. E, Statistical Physics, Plasmas, Fluids, and Related Interdisciplinary Topics·A M Jayannavar
Jan 2, 1995·Physical Review Letters·M M Millonas
Nov 23, 2000·Physical Review. E, Statistical Physics, Plasmas, Fluids, and Related Interdisciplinary Topics·R H Luchsinger
Dec 2, 2000·Physical Review. E, Statistical Physics, Plasmas, Fluids, and Related Interdisciplinary Topics·T Hondou, K Sekimoto
May 1, 2001·Physical Review Letters·T Hatano, S Sasa
Jun 21, 2001·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·D DanA M Jayannavar
Apr 24, 2002·Physical Review. E, Statistical Physics, Plasmas, Fluids, and Related Interdisciplinary Topics·I Derényi, R D Astumian
Apr 24, 2002·Physical Review. E, Statistical Physics, Plasmas, Fluids, and Related Interdisciplinary Topics·F Takagi, T Hondou
Apr 24, 2002·Physical Review. E, Statistical Physics, Plasmas, Fluids, and Related Interdisciplinary Topics·D DanA M Jayannavar

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Citations

Dec 1, 2004·Chaos·Bao-Quan AiLiang-Gang Liu
Feb 3, 2004·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·Bao-Quan AiLiang-Gang Liu
Jul 4, 2007·Journal of Physics. Condensed Matter : an Institute of Physics Journal·Bao-Quan Ai, Liang-Gang Liu
Dec 20, 2003·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·N Sánchez Salas, A Calvo Hernández
Nov 22, 2002·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·Debasis Dan, A M Jayannavar
Aug 7, 2007·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·Bao-Quan AiLiang-Gang Liu

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