Open AccessTransport of fractional coupled Brownian motor in asymmetric periodic potential
Author(s) -
Wang Fei,
Chao Deng,
Tu Zhe,
Hong Ma
Publication year - 2013
Publication title -
wuli xuebao
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.199
H-Index - 47
ISSN - 1000-3290
DOI - 10.7498/aps.62.040501
Subject(s) - physics , brownian motion , stochastic resonance , phenomenon , motion (physics) , resonance (particle physics) , fractional brownian motion , noise (video) , constant (computer programming) , meaning (existential) , spring (device) , statistical physics , classical mechanics , quantum mechanics , computer science , thermodynamics , psychology , artificial intelligence , programming language , image (mathematics) , psychotherapist
In this paper, we first discuss the physical meaning of the fractional Frenkel-Kontorova model and depict the transport phenomenon of elastically coupled particles in a memorable medium, then give the effects of various parameters on the motion of coupled particles. According to the numerical value, the memory effect of system has a significant influence on the motion of coupled particles, in addition, the current reversal which does not exist in a non-memorable system appears, this is an abnormal phenomenon. What is more in this research we find that there appears the generalized resonance in the system mean velocity as the spring constant and the fractional order are varied, and the generalized stochastic resonance will appear with noise intensity changing.