Born again-Reference-Cited by-同舟云学术

Born again

Published:2024-05-13 Issue:5 Volume:16 Page:
ISSN:2542-4653
Container-title:SciPost Physics
language:
Short-container-title:SciPost Phys.

Author:

Russo Jorge G.¹²^ORCID,Townsend Paul K.³

Affiliation:

1. Institució Catalana de Recerca i Estudis Avançats

2. University of Barcelona

3. University of Cambridge

Abstract

Born’s original 1933 theory of nonlinear electrodynamics (in contrast to the later Born-Infeld theory) is acausal for strong fields. We explore the issue of strong-field causality violation in families of theories containing Born and/or Born-Infeld, and many variants that have been previously proposed in contexts that include cosmology and black hole physics. Many of these variants are acausal and hence unphysical. A notable exception is the modified Born-Infeld theory with ModMax as its conformal weak-field limit.

Funder

Generalitat de Catalunya

Ministerio de Economía y Competitividad

Science and Technology Facilities Council

Publisher

Stichting SciPost

Link

https://scipost.org/10.21468/SciPostPhys.16.5.124/pdf

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