scholarly journals Loschmidt echo and Berry phase of a quantum system coupled to anXYspin chain: Proximity to a quantum phase transition

2007 ◽  
Vol 75 (1) ◽  
Author(s):  
Zi-Gang Yuan ◽  
Ping Zhang ◽  
Shu-Shen Li
Keyword(s):  
Phase Transition ◽  
Quantum System ◽  
Quantum Phase Transition ◽  
Berry Phase ◽  
Quantum Phase ◽  
Loschmidt Echo

scholarly journals Collective decay induce quantum phase transition in a well-controlled hybrid quantum system

2021 ◽  
Vol 21 ◽  
pp. 103832
Author(s):  
Dong-Yan Lü ◽  
Guang-Hui Wang ◽  
Yuan Zhou ◽  
Li Xu ◽  
Yong-Jin Hu ◽  
...  
Keyword(s):  
Phase Transition ◽  
Quantum System ◽  
Quantum Phase Transition ◽  
Quantum Phase ◽  
Hybrid Quantum System

Scaling of the Berry phase close to the excited-state quantum phase transition in the Lipkin model

2012 ◽  
Vol 85 (4) ◽  
Author(s):  
Zi-Gang Yuan ◽  
Ping Zhang ◽  
Shu-Shen Li ◽  
Jian Jing ◽  
Ling-Bao Kong
Keyword(s):  
Phase Transition ◽  
Excited State ◽  
Quantum Phase Transition ◽  
Berry Phase ◽  
Quantum Phase ◽  
Lipkin Model
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