#EntropyBounds
Rigorous bounds establish that negative entropy production in quantum systems occurs 'frequent but mild'—never too rare, never too severe. New method for measuring dynamical asymmetry from trajectory statistics.

#QuantumThermodynamics #EntropyBounds #QuantumTrajectories
Bounds for Apparent Second-Law Violations in Quantum Trajectories
arxiv.org
August 12, 2026 at 7:26 AM
New lower bounds for quantum relative entropy through midpoint BKM geometry reveal how spectral structure of density matrix blocks constrains coherence entropy—with applications to dephasing dynamics and entropy production bounds.

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Entropy Lower Bounds via BKM Kernel Estimates and Midpoint Coherence Geometry
arxiv.org
May 13, 2026 at 10:27 AM