Spontaneous Emission in Chaotic Cavities
T. Sh. Misirpashaev, P. W. Brouwer, C. W. J. Beenakker
Abstract
The spontaneous emission rate Γof a two-level atom inside a chaotic cavity fluctuates strongly from one point to another because of fluctuations in the local density of modes. For a cavity with perfectly conducting walls and an opening containing N wavechannels, the distribution of Γis given by P(Γ) ΓN/2-1(Γ+Γ0)-N-1, where Γ0 is the free-space rate. For small N the most probable value of Γis much smaller than the mean value Γ0.
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