Electromagnetic wave collapse in a radiation background

Details Electromagnetic wave collapse in a radiation background Electromagnetic wave collapse in a radiation background

2003-05-15

arxiv.org/abs/astro-ph/0305269v2

Phys.Rev.Lett. 91 (2003) 163601

Astronomy and Astrophysics

Astrophysics

4 pages

Scientific paper

10.1103/PhysRevLett.91.163601

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 subsequent collapse of the pulse. The relevance of our results for various astrophysical applications are discussed.

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