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bures distance 1generalized gibbs ensemble 1integrable systems 1power-law decay 1quantum quench 1transverse-field Ising model 1

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quant-ph2026

Discrete power-law decay of subsystem distance after a quantum quench

Bin Sui, Jiaju Zhang

The paper numerically investigates the decay of the Bures distance between a subsystem’s reduced density matrix and its stationary generalized Gibbs ensemble after a global quench…