Please use this identifier to cite or link to this item: http://hdl.handle.net/20.500.11889/8297
Title: The einstein a-coefficient of spontaneous emission: a relativistic calculation in the Heisenberg representation
Authors: Baru, A. O. 
Salamin, Yousef I. 
Keywords: Einstein A-Coefficient;Rates of spontaneous emission;Quantum theory
Issue Date: 1991
Publisher: Zeitschrift für Physik D Atoms, Molecules and Clusters
Abstract: We present a simple approach to the relativistic calculation of the rates of spontaneous emission starting from the Heisenberg picture formula for the power radiated by a charged particle undergoing acceleration, and evaluate atomic decay rates using relativistic Dirac^Coulomb wavefunctions. The spin of the electron, embedded in its relativistic wavefunction, is shown to correctly provide the two polarization states of the emitted radiation. We discuss selection rules and calculate the Hydrogen 2P -t IS transition rate, among others, to be r = (6.2650 ±0.0007) x 10 V in good agreement with the full field theory calculation as well as with experiment.
URI: http://hdl.handle.net/20.500.11889/8297
DOI: 10.1007/BF01426610
Appears in Collections:Fulltext Publications

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