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Schwinger pair production: Explicit Localization of the world-line instanton (1612.05909v3)
Published 18 Dec 2016 in hep-th
Abstract: We present a simple proof that the imaginary part of the world-line path integral which computes the rate of Schwinger pair production of charged particles in a constant electric field, is given exactly by the semiclassical WKB limit.
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