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Condensed Matter > Statistical Mechanics
Title: Nonequilibrium Bound for Canonical Nonlinearity Under Single-Shot Work
(Submitted on 25 Mar 2024 (v1), last revised 15 Apr 2024 (this version, v2))
Abstract: For classical discrete systems under constant composition (specifically substitutional alloys), canonical average acts as a map from a set of many-body interatomic interactions to a set of configuration in thermodynamic equilibrium, which is generally nonlinear. In terms of the configurational geometry (i.e., information about configurational density of states), the nonlinearity has been measured as special vector on configuration space, which is extended to Kullback-Leibler (KL) divergence on statistical manifold. Although they successfully provide new insight into how the geometry of lattice characterizes the nonlinearity, their application is essentially restricted to thermodynamic equilibrium. Based on the resource theory (especially, thermo-majorization), we here extend the applicability of the nonlinearity to nonequilibrium states obtained through single-shot work on Gibbs state. We derive the bound for the extended nonlinearity in nonequilibrium state, characterized by the nonlinearity in equilibrium state, Renyi alpha-divergence between equilibrium and nonequilibrium distribution, temperature and work.
Submission history
From: Koretaka Yuge [view email][v1] Mon, 25 Mar 2024 03:00:34 GMT (53kb)
[v2] Mon, 15 Apr 2024 21:17:09 GMT (105kb)
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