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nlin.CD2025
Phase space volume preserving dynamics for non-Hamiltonian systems
Swetamber Das, Jason R. Green
Infinitesimal volumes stretch and contract as they coevolve with classical phase space trajectories according to linearized dynamics. Unless these tangent-space dynamics are modifi…
cond-mat.stat-mech2025★ 2 cited
Phase space contraction rate for classical mixed states
Mohamed Sahbani, Swetamber Das, Jason R. Green
Physical systems with non-reciprocal or dissipative forces evolve according to a generalization of Liouville's equation that accounts for the expansion and contraction of phase spa…
physics.class-ph2025★ 5 cited
Spectral bounds on the entropy flow rate and Lyapunov exponents in differentiable dynamical systems
Swetamber Das, Jason R. Green
Some microscopic dynamics are also macroscopically irreversible, dissipating energy and producing entropy. For many-particle systems interacting with deterministic thermostats, the…