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Hannover 2016 – scientific programme

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Q: Fachverband Quantenoptik und Photonik

Q 51: Quantum Effects: QED I

Q 51.2: Talk

Thursday, March 3, 2016, 11:15–11:30, f442

WKB-like approach to Sauter-Schwinger pair production in spacetime-dependent fields — •Johannes Oertel and Ralf Schützhold — Universität Duisburg-Essen

A well-known method for calculating an approximation to the pair creation rate in the Sauter-Schwinger effect is based on approximating solutions of the Riccati equation. Although several interesting field configurations can be examined in this formalism (see e.g. [1]), its application is fundamentally restricted to the case of solely time-dependent electromagnetic fields. We propose a new WKB-like technique for approximating the pair creation rate in the presence of spacetime-dependent fields.

[1] M. F. Linder et al., Phys. Rev. D 92, 085009 (2015)

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