University of Cambridge > > DAMTP Statistical Physics and Soft Matter Seminar > Stochastic thermodynamics of multiple-scale processes

Stochastic thermodynamics of multiple-scale processes

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  • UserStefano Bo, Dresden
  • ClockTuesday 04 February 2020, 13:00-14:00
  • HouseMR11, CMS.

If you have a question about this talk, please contact Professor Mike Cates.

Many systems of interest involve processes taking place on widely separated time scales. For an efficient modelling, one usually focusses on the slower degrees of freedom and it is of great importance to accurately eliminate the fast variables in a controlled fashion, carefully accounting for their net effect on the slower dynamics. Multiple-scale techniques provide a systematic approach to this task. I will present such procedures and discuss their application to some stochastic systems of physical, biological and chemical relevance. I will then consider functionals of the stochastic trajectories such as residence times, counting statistics, fluxes, entropy production, etc.. For such functionals, the elimination of the fast degrees of freedom can present additional difficulties and naive procedures can lead to inconsistent results. These difficulties can be overcome by systematic multiple-scales approaches, which can be seen as natural extensions of the ones employed for the dynamics.

This talk is part of the DAMTP Statistical Physics and Soft Matter Seminar series.

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