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Condensed Matter > Statistical Mechanics
Title: Stochastic thermodynamics of a probe in a fluctuating correlated field
(Submitted on 25 May 2023 (v1), last revised 30 Apr 2024 (this version, v3))
Abstract: We develop a framework for the stochastic thermodynamics of a probe coupled to a fluctuating medium with spatio-temporal correlations, described by a scalar field. For a Brownian particle dragged by a harmonic trap through a fluctuating Gaussian field, we show that near criticality (where the field displays long-range spatial correlations) the spatially-resolved average heat flux develops a dipolar structure, where heat is absorbed in front and dissipated behind the dragged particle. Moreover, a perturbative calculation reveals that the dissipated power displays three distinct dynamical regimes depending on the drag velocity.
Submission history
From: Davide Venturelli [view email][v1] Thu, 25 May 2023 16:47:59 GMT (4906kb,D)
[v2] Fri, 2 Jun 2023 16:09:44 GMT (3765kb,D)
[v3] Tue, 30 Apr 2024 18:48:05 GMT (4919kb,D)
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