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quant-ph2025★ 4 cited
Loschmidt echo zeros in finite-size quantum systems with linear quench
Zhen-Yu Zheng, Xudong Liu, Siyan Lin +2
Dynamical quantum phase transitions reveal singularities in quench dynamics, characterized by the emergence of Loschmidt echo zeros at critical times, which usually exist only in t…
quant-ph2023★ 7 cited
Statistical and dynamical aspects of quantum chaos in a kicked Bose-Hubbard dimer
Chenguang Liang, Yu Zhang, Shu Chen
Systems of interacting bosons in double-well potentials, modeled by two-site Bose-Hubbard models, are of significant theoretical and experimental interest and attracted intensive s…