156 citations
- Zhejiang UniversityCN7 papers
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quant-ph2008★ 156 cited
Accurate numerical solution to the finite-size Dicke model
Qing-Hu Chen, Yu-Yu Zhang, Tao Liu +1
By using extended bosonic coherent states, a new technique to solve the Dicke model exactly is proposed in the numerical sense. The accessible system size is two orders of magnitud…
quant-ph2006★ 105 cited
Critical Property of Geometric Phase in the Dicke Model
Gang Chen, Juqi Li, J. -Q. Liang
We obtain the ground-state energy level and associated geometric phase in the Dicke model analytically by means of the Holstein-Primakoff transformation and the boson expansion app…