Momentum dependence in the dynamically assisted Sauter-Schwinger effect

Details Momentum dependence in the dynamically assisted Sauter-Schwinger effect Momentum dependence in the dynamically assisted Sauter-Schwinger effect

2011-10-25

arxiv.org/abs/1110.5499v2

Physics

High Energy Physics

High Energy Physics - Theory

4 pages RevTeX, 1 figure

Scientific paper

Recently it has been found that the superposition of a strong and slow electric field with a weaker and faster pulse can significantly enhance the probability for non-perturbative electron-positron pair creation out of the vacuum -- the dynamically assisted Sauter-Schwinger effect. Via the WKB method, we estimate the momentum dependence of the pair creation probability and compare it to existing numerical results. Besides the theoretical interest, a better understanding of this pair creation mechanism should be helpful for the planned experiments aiming at its detection.

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