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quant-ph2026
Dynamical zero modes, boundary dependence, and numerical instability in dynamical quantum phase transitions
Siyan Lin, Xu Feng, Xiuhua Tian +1
Boundary conditions are usually expected to cause only finite-size corrections to bulk quantities, but this expectation can fail for dynamical quantum phase transitions. In this wo…
quant-ph2026
Critical Entanglement Dynamics at Dynamical Quantum Phase Transitions
Kaiyuan Cao, Mingzhi Li, Xiang-Ping Jiang +2
We investigate the critical behavior of momentum-space entanglement entropy at dynamical quantum phase transitions (DQPTs) in translationally invariant two-band insulators and supe…