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Journal of Physics B Atomic and Molecular Physics

Radiation damping of atomic states in the presence of an external time dependent potential

M P Silverman, F. M. Pipkin

Published Apr 21, 1974• 0 citations
Publisher
DOI
10.1088/0022-3700/7/6/516

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The states of the atom, determined by the motion of electrons, are stationary in the presence of all internal atomic forces and of interactions with constant external fields. When electrons interact with the field associated with electromagnetic radiation, the atomic states are no longer stationary, and the time-dependent perturbation treatment has to be applied to calculate the effect produced by the radiation, which is a function of time. Consequently, as shown in Section 9.3 , the time evolution of the atom will be described in terms of transitions between the stationary states of the unperturbed atomic system.