3 papers
quant-ph2026
Semiclassical entanglement entropy for spin-field interaction
Matheus V. Scherer, Lea F. Santos, Alexandre D. Ribeiro
We study a general bipartite quantum system consisting of a spin interacting with a bosonic field, with the initial state prepared as the product of a spin coherent state and a can…
quant-ph2025
Transient and steady-state chaos in dissipative quantum systems
Debabrata Mondal, Lea F. Santos, S. Sinha
Dissipative quantum chaos plays a central role in the characterization and control of information scrambling, non-unitary evolution, and thermalization, but it still lacks a precis…
cond-mat.dis-nn2025
Spectral form factor and energy correlations in banded random matrices
Adway Kumar Das, Anandamohan Ghosh, Lea F. Santos
Banded random matrices were introduced as a more realistic alternative to full random matrices for describing the spectral statistics of heavy nuclei. Initially considered by Wigne…