Non-Galilean Hamiltonian flocks obey a generalized time-reversal symmetry that produces a mixed position-polarity FDT, Onsager-Casimir reciprocity, nontrivial angular diffusion, and zero true entropy production.
Self-propulsion symmetries determine entropy production of active particles with hidden states
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Stochastic thermodynamics is expanding to memory effects, active matter, geometric methods, and non-physical domains while the link between irreversibility and dissipation weakens at larger scales.
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Hamiltonian flocks: Time-Reversal Symmetry and its consequences
Non-Galilean Hamiltonian flocks obey a generalized time-reversal symmetry that produces a mixed position-polarity FDT, Onsager-Casimir reciprocity, nontrivial angular diffusion, and zero true entropy production.
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Quo vadis, stochastic thermodynamics?
Stochastic thermodynamics is expanding to memory effects, active matter, geometric methods, and non-physical domains while the link between irreversibility and dissipation weakens at larger scales.