Spontaneous emission of an atom near a wedge

Details Spontaneous emission of an atom near a wedge Spontaneous emission of an atom near a wedge

2008-01-15

arxiv.org/abs/0801.2358v2

Phys. Rev. A 78 012105 (2008)

Physics

Quantum Physics

10 pages, version replaced to match the published one

Scientific paper

10.1103/PhysRevA.78.012105

It is a well known fact that non-trivial boundary conditions affect the interaction between atoms and the always present quantized electromagnetic field. In this paper, we focus on how the spontaneous emission rate of a given excited atom is altered when placed inside a perfectly conducting wedge. We begin by briefly presenting the formalism on which our calculations are founded, proceeding then to a long but straightforward calculation of the transition rate. We present results for a general atom but, for the sake of simplicity, we narrow them down to an effective two-level system in our numerical investigations. From these we conclude that the results are physically sound.

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