30 citations · 67 across the 9 of their papers we have counts for
9 papers
Exploring dynamical quantum phase transition from pure states to mixed states through extended Su-Schrieffer-Heeger models
Kaiyuan Cao, Tianren Zhang, Xiangping Jiang +1
We investigate dynamical quantum phase transitions (DQPTs) in both pure and mixed states within the extended SSH model framework, focusing on the SSH-3 and SSH-4 variants, which di…
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…
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…
Relaxation dynamics in the alternating XY chain following a quantum quench
Kaiyuan Cao, Yayun Hu, Peiqing Tong +2
We investigate the relaxation dynamics of the fermion two-point correlation function in the XY chain with staggered nearest-neighbo…
Dynamical relaxation behavior of extended XY chain with gapless phase following a quantum quench
Kaiyuan Cao, Yayun Hu, Peiqing Tong +1
We investigate the dynamical relaxation behavior of the two-point correlation in extended XY models with a gapless phase after quenches from various initial states. Specifically, w…
Aperiodic dynamical quantum phase transitions in multi-band Bloch Hamiltonian and its origin
Kaiyuan Cao, Hao Guo, Guangwen Yang
We investigate the dynamical quantum phase transition (DQPT) in the multi-band Bloch Hamiltonian of the one-dimensional periodic Kitaev model, focusing on quenches from a Bloch ban…
Dynamics of the Geometric Phase in Inhomogeneous Quantum Spin Chains
Kaiyuan Cao, Shuxiang Yang, Yayun Hu +1
The dynamics of the geometric phase are studied in inhomogeneous quantum spin chains after a quench. Analytic expressions of the Pancharatnam geometric phase (PGP) …
Dynamical quantum phase transition in quantum spin chains with gapless phases
Kaiyuan Cao, Zhong Ming, Peiqing Tong
The dynamical quantum phase transitions (DQPTs) in quantum spin chains with gapless phases after a sudden quench are studied. We mainly consider the general systems with asymmetric…
Influences of weak disorder on dynamical quantum phase transitions of anisotropic XY chain
Kaiyuan Cao, Wenwen Li, Ming Zhong +1
In this paper, the effects of disorder on the dynamical quantum phase transitions (DQPTs) in the transverse-field anisotropic XY chain are studied by numerically calculating the Lo…