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Phys Rev Lett. 2003 Oct 17;91(16):163601. doi: 10.1103/PhysRevLett.91.163601. Epub 2003 Oct 16.

Electromagnetic wave collapse in a radiation background.

Physical review letters

Mattias Marklund, Gert Brodin, Lennart Stenflo

Affiliations

  1. Department of Electromagnetics, Chalmers University of Technology, SE-412 96 Göteborg, Sweden.

PMID: 14611403 DOI: 10.1103/PhysRevLett.91.163601

Abstract

The nonlinear interaction, due to quantum electrodynamical (QED) effects between an electromagnetic pulse and a radiation background, is investigated by combining the methods of radiation hydrodynamics with the QED theory for photon-photon scattering. For the case of a single coherent electromagnetic pulse, we obtain a Zakharov-like system, where the radiation pressure of the pulse acts as a driver of acoustic waves in the photon gas. For a sufficiently intense pulse and/or background energy density, there is focusing and the subsequent collapse of the pulse. The relevance of our results for various astrophysical applications are discussed.

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