ORCID

Abstract

By combining an adiabatic approach based on a ‘locally monochromatic’ approximation with a local Hilbert transform, it is demonstrated how vacuum birefringence in the strong field regime can be calculated using a rate approach suitable for Monte Carlo simulation codes. Results for the flipping of the photon’s polarisation (helicity) are benchmarked with evaluation of exact expressions in a circularly (linearly) polarised plane wave of finite extent. For the circularly polarised case, the Heisenberg–Euler approach predicts a null result; an approximation similar to the ‘locally constant’ form is presented, which recovers the correct low-energy scaling. Example probabilities are given for typical experimental parameters.

Publication Date

2023-10-07

Publication Title

The European Physical Journal C

Volume

83

Issue

10

ISSN

1434-6044

Embargo Period

2023-11-07

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10.1140/epjc/s10052-023-12074-w" data-hide-no-mentions="true">

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