Dissipated work in driven harmonic diffusive systems:
General solution and application to stretching Rouse polymers |
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Authors: | Email author" target="_blank">T?SpeckEmail author U?Seifert |
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Institution: | (1) II. Institut für Theoretische Physik, Universität Stuttgart, 70550 Stuttgart, Germany |
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Abstract: | We study n-dimensional diffusive motion in an externally driven harmonic
potential. For these systems the probability distribution of
the applied work is a Gaussian. We give explicit expressions for its mean
and variance, which are determined by a non-local integral kernel
relating the time-derivatives of the applied forces. As illustrations, we
specialize our results to dragging a colloidal particle through a viscous
fluid and to stretching a Rouse polymer with different protocols. |
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Keywords: | |
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