Semiclassical theory of the emission properties of wave-chaotic resonant cavities
Abstract
We develop a perturbation theory for the lifetime and emission intensity for isolated resonances in asymmetric resonant cavities. The inverse lifetime and the emission intensity I(θ) in the open system are expressed in terms of matrix elements of operators evaluated with eigenmodes of the closed resonator. These matrix elements are calculated in a semiclassical approximation which allows us to represent and I(θ) as sums over the contributions of rays which escape the resonator by refraction.
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