Coherence Properties of a Radiation Field in the Dicke Model Hamiltonian

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概要

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• A normalized variance of a radiation field is introduced to study the coherenceproperties of spontaneous autd induced emissions in the Dicke model Hamiltonian.It is shown that a superradiant emission from an atomic Dicke state cannot be ina coherent state, though the Dicke state emits photons in a Poisson distributionfor the photon number. In the case of the induced omission for an initially intensecoherent radiation field, the time evolution of the normalized variance is calcu-lated to see to what extent the initially coherent state remains coherent. Weobtain the time evolution of the expectation values of the atomic operators andthe photon number operator. These solutions are then compared with semi-classical solutions obtained by taking the diagonal coherent state representation.

• 社団法人日本物理学会の論文
• 1978-05-15

著者

• Nagashima Michiyoshi

  Department Of Engineering Physics Faculty Of Engineering Kyoto University

関連論文

• Line Broadening Measurement in High Density Plasma : I. H_α and H_β
• Coherent States and Photon Dynamics in the Dicke Model Hamiltonian
• A^2 Term, Renormalization of Matter-Photon Interaction and Coherent States in Matter-Photon Systems
• Coherence Properties of a Radiation Field in the Dicke Model Hamiltonian

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