Spontaneous Emission in Chaotic Cavities

Details Spontaneous Emission in Chaotic Cavities Spontaneous Emission in Chaotic Cavities

1997-06-25

arxiv.org/abs/chao-dyn/9706026v1

Phys. Rev. Lett. 79, 1841, (1997)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

4 pages, RevTeX, 1 figure

Scientific paper

10.1103/PhysRevLett.79.1841

The spontaneous emission rate \Gamma of 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 \Gamma is given by P(\Gamma) \propto \Gamma^{N/2-1}(\Gamma+\Gamma_0)^{-N-1}, where \Gamma_0 is the free-space rate. For small N the most probable value of \Gamma is much smaller than the mean value \Gamma_0.

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