[Soft-matter] 'Statistical mechanical foundation of Weber-Fechner laws' seminar 11 Jan 2021

[Maciej Lisicki]

Dear Soft Matter Colleagues and Friends,

Please find below an interesting seminar announcement from our colleagues at MIM UW

Best wishes,
Maciej
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Koleżanki i Koledzy,

In the framework of the seminar Stochastic Models in Biology,
on Monday 11-th of January at 16:15
Christian Maes (Instituut voor Theoretische Fysica <https://fys.kuleuven.be/itf>, KU Leuven)
will talk about
Statistical mechanical foundation of Weber-Fechner laws

Join Zoom Meeting
https://us02web.zoom.us/j/85714240676?pwd=alFkNGFCMk5BaW90Kzl4RUVDZVBGUT09 <https://us02web.zoom.us/j/85714240676?pwd=alFkNGFCMk5BaW90Kzl4RUVDZVBGUT09>
Meeting ID: 857 1424 0676
Passcode: 27928

Abstract below
Serdecznie zapraszamy, Jacek Miękisz i Grzegorz Rempała
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Statistical mechanical foundation of Weber-Fechner laws

Even though the phenomenological relations between perception and stimulus have been firmly established, a theoretical argument for Weber's and Fechner's law in terms of relevant models or from statistical physics is largely missing. We present such a discussion in terms of response theory for nonequilibrium systems, where the induced displacement or current, which stands for the perceived stimulus, crucially depends on the change in time-symmetric reactivities. Stationary nonequilibria may indeed generate extra currents by changing the dynamical activity. The argument finishes by understanding how the extra dynamical activity logarithmically encodes the actual stimulus.
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--
Dr Maciej Lisicki
Institute of Theoretical Physics | Faculty of Physics
University of Warsaw
softmatter.fuw.edu.pl <http://softmatter.fuw.edu.pl/>





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