Publicação: Why Pair Production Cures Covariance in the Light-Front?
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Springer/plenum Publishers
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Resumo
We show that the light-front vacuum is not trivial, and the Fock space for positive energy quanta solutions is not complete. As an example of this non triviality we have calculated the electromagnetic current for scalar bosons in the background field method were the covariance is restored through considering the complete Fock space of solutions.In this work we construct the electromagnetic current operator for a system composed of two free bosons. The technique employed to deduce these operators is through the definition of global propagators in the light front when a background electromagnetic field acts on one of the particles.
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Light-front electromagnetic current, Covariance, Pair production
Idioma
Inglês
Como citar
International Journal of Theoretical Physics. New York: Springer/plenum Publishers, v. 48, n. 8, p. 2340-2352, 2009.
