Physics – Quantum Physics
Scientific paper
2007-01-19
Physics
Quantum Physics
5 pages, 5 figures
Scientific paper
10.1140/epjd/e2007-00268-4
Using the Born expansion of the Green tensor, we consider the spontaneous decay rate of an excited atom placed in the vicinity of a rectangular plate. We discuss the limitations of the commonly used simplifying assumption that the plate extends to infinity in the lateral directions and examine the effects of the atomic dipole moment orientation, atomic position, and plate boundary and thickness on the atomic decay rate. In particular, it is shown that in the boundary region, the spontaneous decay rate can be strongly modified.
Dung Ho Trung
Nguyen Tuan Anh
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