Search Results - subject:"Brownian motor"

Anomalous transport controlled via potential fluctuations

Zeng, Chunhua; Wang, Hua; Wei, Yonggang; Li, Kongzhai; … - In: Physica A: Statistical Mechanics and its Applications 392 (2013) 11, pp. 2623-2630

In this paper, we investigate the transport of an inertial Brownian motor moving in an asymmetric periodic potential … negative nonlinear mobility (NNM) at larger bias away from equilibrium, which means that the inertial Brownian motor moves …

Persistent link: https://www.econbiz.de/10010662567

Coupled Brownian motors with two different kinds of time delays

Wu, Dan; Zhu, Shiqun; Luo, Xiaoqin - In: Physica A: Statistical Mechanics and its Applications 391 (2012) 4, pp. 1032-1037

The transport of the coupled Brownian ratchets with two different kinds of time delays is investigated. The increase of the feedback delay reduces the transport with oscillations. While increasing the coupling delay increases the transport with some irregular oscillations and finally saturates...

Persistent link: https://www.econbiz.de/10010591528

Current reversal and mass separation of inertial Brownian motors in a two-noise ratchet

Zeng, Chunhua; Gong, Ailing; Tian, Yafang - In: Physica A: Statistical Mechanics and its Applications 389 (2010) 10, pp. 1971-1977

Transport of an inertial Brownian motor moving in an asymmetric periodic potential driven by an external force and …

Persistent link: https://www.econbiz.de/10011059582

Fluctuation on Brownian motor in the presence of entropic barrier

Xie, Hui-Zhang; Ai, Bao-Quan; Liu, Xue-Mei; Liu, Liang-Gang - In: Physica A: Statistical Mechanics and its Applications 388 (2009) 11, pp. 2093-2098

Transporting velocity of a loaded Brownian motor with entropic barrier is investigated in the presence of an asymmetric … unbiased force. It is found that in the presence of the entropic barrier, the stall force of the Brownian motor does not change … monotonously with temperature. The average velocity of the Brownian motor is a peaked function of thermal noise and amplitude of …

Persistent link: https://www.econbiz.de/10010873867

Information and flux in a feedback controlled Brownian ratchet

Cao, F.J.; Feito, M.; Touchette, H. - In: Physica A: Statistical Mechanics and its Applications 388 (2009) 2, pp. 113-119

We study a feedback control version of the flashing Brownian ratchet, in which the application of the flashing potential depends on the state of the particles to be controlled. Taking the view that the ratchet acts as a Maxwell’s demon, we study the relationship that exists between the...

Persistent link: https://www.econbiz.de/10010589942

Energy losses in a flashing ratchet with different potential well shapes

Rozenbaum, V.M.; Yang, D.-Y.; Lin, S.H.; Tsong, T.Y. - In: Physica A: Statistical Mechanics and its Applications 363 (2006) 2, pp. 211-216

-period. Such a Brownian motor exhibits the maximum efficiency tending to unity, provided one of the barriers blocks the reverse …

Persistent link: https://www.econbiz.de/10010872873

Forcing inertial Brownian motors: Efficiency and negative differential mobility

Kostur, Marcin; Machura, Lukasz; Hänggi, Peter; … - In: Physica A: Statistical Mechanics and its Applications 371 (2006) 1, pp. 20-24

The noise-assisted, directed transport in a one-dimensional dissipative, inertial Brownian motor of the rocking type …

Persistent link: https://www.econbiz.de/10011058237

Enzyme as catalytic wheel powered by a Markovian engine: conformational coupling and barrier surfing models

Tsong, Tian Yow; Chang, Cheng-Hung - In: Physica A: Statistical Mechanics and its Applications 350 (2005) 1, pp. 108-121

, are presented and compared. It is shown that the core engine of the catalytic wheel, or a Brownian motor, is a Markovian …

Persistent link: https://www.econbiz.de/10010591465

Optimal number of disperse states in the model of Brownian motors

Zhou, Yan; Bao, Jing-Dong - In: Physica A: Statistical Mechanics and its Applications 343 (2004) C, pp. 515-524

that the current direction of the Brownian motor can be reversed due to competition between the potential flashing and the …

Persistent link: https://www.econbiz.de/10010589161

One- and two-dimensional dynamics of elastically coupled Brownian motors

Igarashi, Akito; Goko, Hiromichi; Tsukamoto, Shinji - In: Physica A: Statistical Mechanics and its Applications 325 (2003) 1, pp. 62-68

Brownian motors, in particular, “ratchet” models have been studied actively as models for molecular motors. In this paper, a flashing ratchet model for elastically coupled particles in an asymmetric periodic potential is introduced and studied as a model for molecular motors in muscle. In...

Persistent link: https://www.econbiz.de/10011061340