Covariance for electromagnetic current for two bosons at higher order in the light front
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2010-12-01
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We show that the electromagnetic current for a system composed by two charged bosons has a structure of many bodies even in the impulse approximation, when described in the time x +. In terms of the two body component for the bound state, the current contains two body operators. We discuss the process of pair creation by the photon and interpret it as a zero mode contribution to the current and its consequences for the components of currents in the light front. © 2010 American Institute of Physics.
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AIP Conference Proceedings, v. 1296, p. 386-389.
