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Article
Model-dependent nature of blowtorch effect on the escape and equilibration rates
We analyze the relaxation behavior of a bistable system when the background temperature profile is inhomogeneous due to the presence of a localized hot region (blowtorch) on one side of the potential barrier. ...
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Article
Current, maximum power and optimized efficiency of a Brownian heat engine
A microscopic heat engine is modeled as a Brownian particle in a sawtooth potential (with load) moving through a highly viscous medium driven by the thermal kick it gets from alternately placed hot and cold he...
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Article
Stochastic resonance of charge carriers diffusing in a nonhomogeneous medium with nonhomogeneous temperature
We investigate the dynamics of charge carriers hop** from one trap to the other trap along an n-type semiconductor layer consisting of a spatially nonhomogeneous trap distribution of depth Φ assisted by thermal...
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Article
Impurity diffusion in a harmonic potential and nonhomogeneous temperature
We propose different ways of manipulating the dispersion of impurities along a semiconductor layer during heat treatment. The impurities undergo a random walk assisted by a nonlinear harmonic potential and non...
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Article
Erratum to: Stochastic resonance of charge carriers diffusing in a nonhomogeneous medium with nonhomogeneous temperature
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Article
Thermally activated diffusion of impurities along a semiconductor layer
The dynamics of impurities that walk along a semiconductor layer assisted by thermal noise strength and quartic potential is explored analytically and numerically. Applying two cold spots in the vicinity of th...