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cond-mat.stat-mech2026
Spectral Fluctuation-Dissipation-Response Inequalities
Jie Gu
We derive spectral fluctuation--dissipation--response inequalities for finite-state Markov jump processes. By comparing the causal susceptibility to its passive equilibrium referen…
cond-mat.stat-mech2026
Comment on "Extension of the adiabatic theorem"
Jie Gu
Phys. Rev. B 113, 165102 (2026) proposed the conjecture that, for quantum quenches within the same phase, the overlap between the initial ground state and postquench eigenstates is…