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cond-mat.stat-mech2025
Hyperuniformity at the Absorbing State Transition: Perturbative RG for Random Organization
Xiao Ma, Johannes Pausch, Gunnar Pruessner +1
Hyperuniformity, where the static structure factor obeys with , emerges at criticality in systems having multiple, symmetry-unrelated, absorbing states. Import…
cond-mat.stat-mech2025
Hamiltonian Heat Baths, Coarse-Graining and Irreversibility: A Microscopic Dynamical Entropy from Classical Mechanics
Mingnan Ding, Michael E. Cates
The Hamiltonian evolution of an isolated classical system is reversible, yet the second law of thermodynamics states that its entropy can only increase. This has confounded attempt…
cond-mat.stat-mech2024
Geometric theory of (extended) time-reversal symmetries in stochastic processes -- Part II: field theory
Jérémy O'Byrne, Michael E. Cates
In this article, we study the time-reversal properties of a generic Markovian stochastic field dynamics with Gaussian noise. We introduce a convenient functional geometric formalis…