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Emission rate of a multilevel atom and its quantum beats

Emission rate of a multilevel atom and its quantum beats Using the Heisenberg operator approach, we have calculated the emission rate of a multilevel atom whose transitions involve both upper- and lower-state splittings. The emission rate is first calculated by a frequently used power-flow expression and is shown to exhibit lower-state beats. This power-flow expression requires care in its interpretation because it does not account for the measurement process. We then derive an alternative, detection-oriented emission rate and show that lower-state beats are not observable in a photodetection experiment. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Physical Review A American Physical Society (APS)

Emission rate of a multilevel atom and its quantum beats

Khoo, I. C; Eberly, J. H
Physical Review A , Volume 14 (6) – Dec 1, 1976
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Publisher
American Physical Society (APS)
Copyright
Copyright © 1976 The American Physical Society
ISSN
1094-1622
DOI
10.1103/PhysRevA.14.2174
Publisher site
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Abstract

Using the Heisenberg operator approach, we have calculated the emission rate of a multilevel atom whose transitions involve both upper- and lower-state splittings. The emission rate is first calculated by a frequently used power-flow expression and is shown to exhibit lower-state beats. This power-flow expression requires care in its interpretation because it does not account for the measurement process. We then derive an alternative, detection-oriented emission rate and show that lower-state beats are not observable in a photodetection experiment.

Journal

Physical Review A – American Physical Society (APS)

Published: Dec 1, 1976

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