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Vacuum Birefringence as a Vacuum Emission Process

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arxiv 1510.03178 v1 pith:KOX35NAW submitted 2015-10-12 hep-ph quant-ph

Felix Karbstein This is my paper · ORCID
classification hep-phquant-ph
keywords fieldvacuumbirefringencemagneticdirectedemissionprocessregion
verification ladder T0 review T1 audit T2 compute T3 formal
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We argue that the phenomenon of vacuum birefringence in strong inhomogeneous electromagnetic fields can be most efficiently analyzed in terms of a vacuum emission process. In this contribution, we exemplarily stick to the case of vacuum birefringence in a stationary perpendicularly directed, purely magnetic background field extending over a finite spatial extent. Similar field configurations are realized in the BMV and PVLAS experiments. We demonstrate that we can reproduce the conventional constant field result. Our focus is on effects which arise when the probe photons originate in the field free region, are directed towards the magnetic field region, and detected well after the interaction with the magnetic field has taken place, again at zero field.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Back-reflection in dipole fields and beyond

    quant-ph 2025-10 conditional novelty 6.0 of 10

    Back-reflection in dipole fields is dominated by a four-wave-mixing channel; an optimized three-pulse planar setup gives ~1.5 discernible signal photons per shot with signal-to-background ~10^5.

  2. Impact of background field localization on vacuum polarization effects

    hep-ph 2024-11 accept novelty 6.0 of 10

    For Lorentzian background fields with d localized directions, the strong-field scaling of QED vacuum polarization and pair production depends on d, while weak-field scaling does not.

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