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cond-mat.dis-nn2026
Identifying mobility edge from finite temperature spectral form factor
Basudha Roy, Anandamohan Ghosh, Adway Kumar Das
The spectral form factor (SFF) is a measure of energy correlations and has been widely used to identify the transition from the ergodic to the localized phase in interacting many-b…
cond-mat.dis-nn2026
Signatures of Nonergodicity in Sparse Random Matrices
Sagnik Seth, Adway Kumar Das, Anandamohan Ghosh
The prevalence of sparsity in the Fock space graph of interacting many-body systems motivates an investigation into the spectral statistics of sparse random matrices with on-site d…