scholarly journals Quantum phase transition in the sub-Ohmic spin-boson model: An extended coherent-state approach

2010 ◽  
Vol 81 (12) ◽  
Author(s):  
Yu-Yu Zhang ◽  
Qing-Hu Chen ◽  
Ke-Lin Wang
Keyword(s):  
Phase Transition ◽  
Coherent State ◽  
Quantum Phase Transition ◽  
Quantum Phase ◽  
Boson Model

scholarly journals Quantum phase transition in the delocalized regime of the spin-boson model

2011 ◽  
Vol 84 (17) ◽  
Author(s):  
Qing-Jun Tong ◽  
Jun-Hong An ◽  
Hong-Gang Luo ◽  
C. H. Oh
Keyword(s):  
Phase Transition ◽  
Quantum Phase Transition ◽  
Quantum Phase ◽  
Boson Model

scholarly journals Decoherence due to an excited-state quantum phase transition in a two-level boson model

2009 ◽  
Vol 80 (3) ◽  
Author(s):  
P. Pérez-Fernández ◽  
A. Relaño ◽  
J. M. Arias ◽  
J. Dukelsky ◽  
J. E. García-Ramos
Keyword(s):  
Phase Transition ◽  
Excited State ◽  
Quantum Phase Transition ◽  
Quantum Phase ◽  
Boson Model
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