Abstract
The decay rate of an excited state atom into a ground state atom and a photon of momentum k depends on the photon mode structure1,2 and also the number of photons present in those modes.3 We consider the extent to which the rate of spontaneous emission may be altered by the mode structure of the atom (caused, e.g., by a trap) and in particular by the presence of other ground state atoms in the modes. We predict that this rate is enhanced in the presence of occupied atom modes for boson atoms and strongly suppressed for Fermi atoms.
© 1990 Optical Society of America
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