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cond-mat.stat-mech2024★ 9 cited
Exploring Dynamical Phase Transitions in the XY Chain through Linear Quench: Early and Long-term Perspectives
Kaiyuan Cao, Peiqing Tong
We investigate the nonequilibrium dynamics induced by a finite-time linear quench in the XY chain. Initially, we examine the dynamical quantum phase transition, characterized by th…
cond-mat.stat-mech2024★ 1 cited
Quantum phase transitions in the alternating XY chain with three-site interactions
Kaiyuan Cao, Hao Fu, Xue Liu +2
We investigate the quantum phase transition in the alternating XY chain with the XZX+YZY type of three-spin interactions. We present the exact solution derived by means of the Jord…