Seminar
Effects of multimode light-matter coupling on the Einstein coefficients, rate equations, and collapse and revival of a two-level system under the quantum Rabi oscillation
Speaker: Najirul Islam (Tata Institute of Fundamental Research, Hyderabad)
Abstract: We have generalized Einstein coefficients and rate equations from quantum field theoretic point of view by bringing the fundamental processes and the quantum Rabi oscillation in a single footing for the light-matter interactions for nonzero Rabi fre-quency. We have analytically obtained multimode Jaynes-Cummings model results for the quantum Rabi oscillation of a two-level system in a lossy resonant cavity con-taining (i) thermal photons and (ii) injected photons of a coherent field. We also have obtained theoretical results for the collapse and revival for a low average number of the injected photons. We have compared our results with the seminal experiment by Brune et al [Phys. Rev. Lett. 76, 1800 (1996)].
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