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quant-ph2008★ 11 cited
Virtual Processes and Superradiance in Spin-Boson Models
M. Aparicio Alcalde, R. Kullock, N. F. Svaiter
We consider spin-boson models composed by a single bosonic mode and an ensemble of identical two-level atoms. The situation where the coupling between the bosonic mode and the…
quant-ph2007
Functional Methods in the Generalized Dicke Model
M. Aparicio Alcade, A. L. L. de Lemos, N. F. Svaiter
The Dicke model describes an ensemble of N identical two-level atoms (qubits) coupled to a single mode of a bosonic field. The fermion Dicke model should be obtained by changing th…