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Critical property of the geometric phase in the Dicke model

PHYSICAL REVIEW A, no. 5 (2006): null-null

Cited: 84|Views24
WOS SCOPUS

Abstract

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 approach in the thermodynamic limit. The nonadiabatic geometric phase induced by the photon field is derived with the time-dependent unitary transformation. It is ...More

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