Quadratic and rate-independent limits for a large-deviations functional

G.A. Bonaschi, M.A. Peletier

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We construct a stochastic model showing the relationship between noise, gradient flows and rate-independent systems. The model consists of a one-dimensional birth-death process on a lattice, with rates derived from Kramers’ law as an approximation of a Brownian motion on a wiggly energy landscape. Taking various limits we show how to obtain a whole family of generalized gradient flows, ranging from quadratic to rate-independent ones, connected via ‘L log L’ gradient flows. This is achieved via Mosco-convergence of the renormalized large-deviations rate functional of the stochastic process.
Original languageEnglish
Number of pages30
Publication statusPublished - 2014

Publication series

Volume1409.4350 [math-PH]


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