Spontaneous Rate

Views Updated: Dec 15, 2025

Abbreviation

Pronunciation

/spɑnˈteɪniəs reɪt/

The spontaneous abortion rate was0.27 %.
The spontaneous emission rate of two interacting excited atoms near a dielectric interface is studied using the photon closed-orbit theory and the dipole image method.
The spontaneous emission rate of atoms is calculated as a function of the position of atom in the microcavity in both symmetric and asymmetric structure cases.
The formulas of the quantum electrodynamics are applied to calculate the spontaneous emission rate of high-excited atoms in a cavity sandwiched by two semi-infinite dielectric slabs.
In the presence of radiation trapping effect, the effective radiative rate is equel to the spontaneous radiation rate multiplying the transmission factor.

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