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Titolo:
Efficiency and current reversals in spatially inhomogeneous ratchets
Autore:
Dan, D; Jayannavar, AM; Mahato, MC;
Indirizzi:
Inst Phys, Bhubaneswar 751005, Orissa, India Inst Phys Bhubaneswar OrissaIndia 751005 ubaneswar 751005, Orissa, India Guru Ghasidas Univ, Dept Phys, Bilaspur 495009, India Guru Ghasidas Univ Bilaspur India 495009 pt Phys, Bilaspur 495009, India
Titolo Testata:
INTERNATIONAL JOURNAL OF MODERN PHYSICS B
fascicolo: 15, volume: 14, anno: 2000,
pagine: 1585 - 1591
SICI:
0217-9792(20000620)14:15<1585:EACRIS>2.0.ZU;2-L
Fonte:
ISI
Lingua:
ENG
Soggetto:
INDUCED TRANSPORT; FRICTION; SYSTEMS; MOTION; NOISE;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
18
Recensione:
Indirizzi per estratti:
Indirizzo: Dan, D Inst Phys, Sachivalaya Marg, Bhubaneswar 751005, Orissa, India InstPhys Sachivalaya Marg Bhubaneswar Orissa India 751005 a, India
Citazione:
D. Dan et al., "Efficiency and current reversals in spatially inhomogeneous ratchets", INT J MOD B, 14(15), 2000, pp. 1585-1591

Abstract

Efficiency of generation of net unidirectional current in an adiabaticallydriven symmetric periodic potential system is studied. The efficiency shows a maximum, in the case of an inhomogeneous system with spatially varying periodic friction coefficient, as a function of temperature. The ratchet isnot most efficient when it gives maximum current. The direction of currentmay also be reversed as a function of noise strength when, instead, an asymmetric periodic potential is considered.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 02/12/20 alle ore 15:18:17