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cond-mat.str-el2022★ 11 cited
Charge transport, information scrambling and quantum operator-coherence in a many-body system with U(1) symmetry
Lakshya Agarwal, Subhayan Sahu, Shenglong Xu
In this work, we derive an exact hydrodynamical description for the coupled, charge and operator dynamics, in a quantum many-body system with U(1) symmetry. Using an emergent symme…
cond-mat.str-el2018
Scrambling dynamics across a thermalization-localization quantum phase transition
Subhayan Sahu, Shenglong Xu, Brian Swingle
We study quantum information scrambling, specifically the growth of Heisenberg operators, in large disordered spin chains using matrix product operator dynamics to scan across the…