Author

Jayashis Das

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Preprint Sep 2026

Fixed Points, Floquet Entanglement Asymmetry, and Quantum Mpemba Effects

We investigate the dynamics of entanglement asymmetry in periodically driven two-dimensional conformal field theories with a global U$(1)$ symmetry, using a dynamical-system description based on iterated conformal maps, in particular M\"obius maps. Starting from a symmetry-breaking excited state prepared by a local ope...

Jayashis Das, F. Ares, Arnab Kundu · 0 citations

Preprint Aug 2026

Quantum chaos and late-time equipartition of symmetry-resolved Krylov complexity

We study symmetry-resolved Krylov complexity in finite-dimensional chaotic quantum many-body systems. When both the Hamiltonian and the initial operator commute with a conserved charge, the operator dynamics decomposes into independent symmetry sectors, each with its own Krylov chain. We show that, after saturation, th...

Jayashis Das, Suman Das, Juan F. Pedraza et al. · 2 citations