Spontaneous emission of an atom in a uniform and nonuniform spaces

Details Spontaneous emission of an atom in a uniform and nonuniform spaces Spontaneous emission of an atom in a uniform and nonuniform spaces

2011-02-02

arxiv.org/abs/1102.0393v1

Physics

Optics

7 pages, 3 figures

Scientific paper

On purpose to establish the differences in probabilities of spontaneous radiative emission of an atom in a free space and in a nonuniform space with a nanospheroid the field strength E and the density of states rho_E of the mode n_10 of a free space and of the TM_0 nanocylinder mode are defined. A nanocylinder is an approximate model of a nanospheroid. The probability of a spontaneous transition is proportional to E^2*rho_E in the both cases. It is found that the emission probability to the nanospheroid mode is hundreds times and more higher than the spontaneous emission probability in the free space.

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