Stimulated Vacuum Pair Production in a Focused Laser Field

The quantum electrodynamical process of vacuum pair production in the presence of a focused laser field is investigated. A coherent states picture of the electromagnetic field in the focal region is developed which facilitates its inclusion into perturbative S-matrix quantum electrodynamics. The low...

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Bibliographic Details
Published in:Australian journal of physics 1997, Vol.50 (4), p.803
Main Authors: Derlet, P. M., Perlman, H. S., Troup, G. J.
Format: Article
Language:English
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Summary:The quantum electrodynamical process of vacuum pair production in the presence of a focused laser field is investigated. A coherent states picture of the electromagnetic field in the focal region is developed which facilitates its inclusion into perturbative S-matrix quantum electrodynamics. The lowest order differential transition rate with respect to the direction of the newly created positron is presented for a number of scattering geometries. It is found that with current technological trends such an event should be detectable in the not too distant future.
ISSN:0004-9506
DOI:10.1071/P96104