Stochastic thermodynamics of a probe in a fluctuating correlated field

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.

7 pages, 3 figures (main) + 21 pages, 1 figure (SM)

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Cited by in corpus (8)

• Thermodynamics of active matter: Tracking dissipation across scales
• Variance sum rule: proofs and solvable models
• Tracer dynamics in an interacting active bath: fluctuations and energy partition
• Structure and dynamics of a Rouse polymer in a fluctuating correlated medium
• Universal scale-free decay of tracer-bath correlations in $d$-dimensional interacting particle systems
• Recoil of a driven tracer in a correlated medium
• Fluctuations of driven probes reveal nonequilibrium transitions in complex fluids
• Dynamics of soft interacting particles on a comb