Loschmidt echo and Berry phase of a quantum system coupled to an XY spin chain: Proximity to a quantum phase transition

Physical Review A - Atomic, Molecular, and Optical Physics

Volumn 75, Issue 1, 2007, Pages

  Yuan, Zi Gang ^a   Zhang, Ping ^b   Li, Shu Shen ^a  

^a INSTITUTE OF SEMICONDUCTORS   (China)

^b INSTITUTE OF APPLIED PHYSICS AND COMPUTATIONAL MATHEMATICS   (China)

Author keywords

[No Author keywords available]

Indexed keywords

ANISOTROPY; GROUND STATE; MATHEMATICAL MODELS; PARAMETER ESTIMATION; PHASE TRANSITIONS;

LOSCHMIDT ECHO (LE); MAGNETIC PARAMETER; QUANTUM CRITICALITY; QUANTUM DYNAMICS; SPIN-CHAIN MODEL;

QUANTUM THEORY;

EID: 33846390604     PISSN: 10502947     EISSN: 10941622     Source Type: Journal    
DOI: 10.1103/PhysRevA.75.012102     Document Type: Article

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