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Quantum classical correspondence in nonrelativistic electrodynamics

โœ Scribed by Burke Ritchie; Charles A. Weatherford

Publisher
John Wiley and Sons
Year
1999
Tongue
English
Weight
122 KB
Volume
75
Category
Article
ISSN
0020-7608

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โœฆ Synopsis

A form of classical electrodynamic field exists which gives exact

ลฝ

. agreement with the operator field of quantum electrodynamics QED for the Lamb shift of a harmonically bound point electron. Here it is pointed out that this form of classical theory, with its physically acceptable interpretation, is the result of an unconventional resolution of a mathematically ambiguous term in classical field theory. Finally, a quantum classical correspondence principle is shown to exist in the sense that the classical field and expectation value of the QED operator field are identical, if retardation is neglected in the latter.

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