We calculate the intensity-field correlations in the light scattered by N cold atoms driven by a quasiresonant laser field. Fundamental differences occur if the atomic state is an entangled single-excitation state or a coherent factorized state. We provide analytic expressions for the two-time field and intensity correlation functions for the timed Dicke state and the quasi-Bloch state. The comparison with multiatom simulations shows good agreement between numerical and analytic solutions.
Classical versus quantum intensity-field correlations of scattered light from extended cold atomic clouds / N. Piovella. - In: PHYSICAL REVIEW A. - ISSN 2469-9926. - 106:2(2022), pp. 023701.1-023701.11. [10.1103/PhysRevA.106.023701]
Classical versus quantum intensity-field correlations of scattered light from extended cold atomic clouds
N. Piovella
Primo
2022
Abstract
We calculate the intensity-field correlations in the light scattered by N cold atoms driven by a quasiresonant laser field. Fundamental differences occur if the atomic state is an entangled single-excitation state or a coherent factorized state. We provide analytic expressions for the two-time field and intensity correlation functions for the timed Dicke state and the quasi-Bloch state. The comparison with multiatom simulations shows good agreement between numerical and analytic solutions.File | Dimensione | Formato | |
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