Schwinger pair production from Padé-Borel reconstruction

preprint2020arXivOpen access

Abstract

In this work, we show how the knowledge of the first few terms of the Euler-Heisenberg Lagrangian's weak-field expansion in a magnetic field background is enough to reconstruct the pair-production rate in a strong electric field background. To this end, we study its associated truncated Borel sum using Padé approximants, as advocated in a recent work by Costin and Dunne, J. Phys. A52, 445205 (2019).

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