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quant-ph2024★ 28 cited
Krylov fractality and complexity in generic random matrix ensembles
Budhaditya Bhattacharjee, Pratik Nandy
Krylov space methods provide an efficient framework for analyzing the dynamical aspects of quantum systems, with tridiagonal matrices playing a key role. Despite their importance,…
quant-ph2024
Thermalization slowing down of weakly nonintegrable quantum spin dynamics
Budhaditya Bhattacharjee, Alexei Andreanov, Sergej Flach
We study thermalization slowing down of a quantum many-body spin system upon approach to two distinct integrability limits. Motivated by previous studies of classical systems, we i…