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16 April 2024

» arxiv » 0804.3767

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Dynamical evolution of correlated spontaneous emission of a single photon from a uniformly excited cloud of N atoms
Anatoly A. Svidzinsky ; Jun-Tao Chang ; Marlan O. Scully ;
Date:	23 Apr 2008
Abstract:	We study the correlated spontaneous emission from a dense spherical cloud of N atoms uniformly excited by absorption of a single photon. We find that the decay of such a state depends on the relation between an effective Rabi frequency Omega, which is proportional to sqrt{N}, and the time of photon flight through the cloud R/c. If OmegaR/c < 1 the state exponentially decays with rate Omega^{2}R/c and the state life time is greater then R/c. In the opposite limit Omega*R/c >> 1, the coupled atom-radiation system oscillates between the collective Dicke state (with no-photons) and the atomic ground state (with one photon) with frequency Omega while decaying at a rate c/R.
Source:	arXiv, 0804.3767
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