The efficiency of energy transformation of overdamped Brownian particles in a tilted periodic sawtooth potential driven by a nonequilibrium three‐level noise and an additive thermal noise is considered analytically. All the physical results are computed by means of exact formulas. It is established that in certain parameter region the dependence of the efficiency of energy transformation on noise parameters exhibits a bell‐shaped form. Thus, in such parameters regions an increase of values of noise characteristics (temperature, noise flatness, correlation time, and noise amplitude) can facilitate conversion of noise energy into mechanical work. A connection such as resonance‐like behavior of efficiency at multiple current reversals is also discussed.
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29 November 2011
APPLICATION OF MATHEMATICS IN TECHNICAL AND NATURAL SCIENCES: 3rd International Conference—AMiTaNS'11
20–25 June 2011
Albena, (Bulgaria)
Research Article|
November 29 2011
Energy Transfer in Ratchets Driven by Additive Trichotomous Noise Available to Purchase
A. Sauga;
A. Sauga
aDepartment of Economics, Tallinn University of Technology, Akadeemia tee 3, 12618, Tallinn, Estonia
bDepartment of Natural Sciences, Tallinn University, 25 Narva Road, 10120 Tallinn, Estonia
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D. Martila;
D. Martila
cInstitute of Theoretical Physics, Tartu University, 4 Tähe Street, 51010 Tartu, Estonia
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R. Mankin
R. Mankin
bDepartment of Natural Sciences, Tallinn University, 25 Narva Road, 10120 Tallinn, Estonia
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A. Sauga
a,b
D. Martila
c
R. Mankin
b
aDepartment of Economics, Tallinn University of Technology, Akadeemia tee 3, 12618, Tallinn, Estonia
bDepartment of Natural Sciences, Tallinn University, 25 Narva Road, 10120 Tallinn, Estonia
cInstitute of Theoretical Physics, Tartu University, 4 Tähe Street, 51010 Tartu, Estonia
AIP Conf. Proc. 1404, 139–146 (2011)
Citation
A. Sauga, D. Martila, R. Mankin; Energy Transfer in Ratchets Driven by Additive Trichotomous Noise. AIP Conf. Proc. 29 November 2011; 1404 (1): 139–146. https://doi.org/10.1063/1.3659913
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