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The Effect of Interference on the Trident Process in a Constant Crossed Field by King, B.; Fedotov, A. M. is a scholarly article available to read on EtoBox.

What is The Effect of Interference on the Trident Process in a Constant Crossed Field about?

We perform a complete calculation of electron-seeded pair-creation (the trident process) in a constant crossed electromagnetic background. Unlike earlier treatments, we include the interference between exchange diagrams. We find this exchange interference can be written as a contribution solely to the one-step process, and for small quantum nonlinearity parameter is of the same order as other one-step terms. We find the exchange interference further suppresses the one-step process in this parameter regime. Our findings further support the crucial assumption made in laser-plasma simulation codes that at high intensities, the trident process can be well-approximated by repeated iteration of the single-vertex subprocesses. The applicability of this assumption to higher-vertex processes has fundamental importance to the development of simulation capabilities.

Author

King, B.; Fedotov, A. M.

Published

2018

Language

EN