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quant-ph2025
Breakdown of Fermi's Golden Rule in 1d systems at non-zero temperature
Thomas Young, Jerome LLoyd, Curt von Keyserlingk
In interacting quantum systems, the single-particle Green's function is expected to decay in time due to the interaction induced decoherence of quasiparticles. In the limit of weak…
quant-ph2024★ 3 cited
Thermalization rates and quantum Ruelle-Pollicott resonances: insights from operator hydrodynamics
Carolyn Zhang, Laimei Nie, Curt von Keyserlingk
In thermalizing many-body quantum systems without conservation laws such as ergodic Floquet and random unitary circuits, local expectation values are predicted to decay to their eq…