2 papers
cond-mat.stat-mech2026
Metric response of relative entropy: A universal indicator of quantum criticality
Pritam Sarkar, Diptiman Sen, Arnab Sen
The information-geometric origin of fidelity susceptibility and its utility as a universal probe of quantum criticality in many-body settings have been widely discussed. Here we ex…
math.PR2026
Correlation Decay for Maximum Weight Matchings on Sparse Graphs
Wai-Kit Lam, Arnab Sen
We study correlation decay for the maximum weight matching problem on sparse graphs with i.i.d. edge weights. We show exponential decay of correlations when the underlying graphs a…