Self-compression and catastrophic collapse of photon bullets in vacuum

M. Marklund, B. Eliasson, P. K. Shukla

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

Photon-photon scattering, due to photons interacting with virtual electron-positron pairs, is an intriguing deviation from classical electromagnetism predicted by quantum electrodynamics (QED). Apart from being of fundamental interest in itself, collisions between photons are believed to be of importance in the vicinity of magnetars, in the present generation intense lasers, and in intense laser-plasma/matter interactions, the latter recreating astrophysical conditions in the laboratory. We show that an intense photon pulse propagating through a radiation gas can self-focus and, under certain circumstances, collapse. This is due to the response of the radiation background, creating a potential well in which the pulse gets trapped, giving rise to photonic solitary structures. When the radiation gas intensity has reached its peak values, the gas releases part of its energy into “photon wedges,” similar to Cherenkov radiation. The results should be of importance for the present generation of intense lasers and for the understanding of localized gamma-ray bursts in astrophysical environments. They could furthermore test the predictions of QED and give means to create ultraintense photonic pulses.
Original languageEnglish
Pages (from-to)208-212
Number of pages5
JournalJETP Letters
Volume79
Issue number5
DOIs
Publication statusPublished - 1 Mar 2004

Fingerprint

vacuum
photons
quantum electrodynamics
astrophysics
radiation
pulses
gases
photonics
magnetars
electron-positron pairs
background radiation
laser plasmas
gamma ray bursts
wedges
lasers
electromagnetism
deviation
collisions
predictions
scattering

Keywords

  • electromagnetism
  • photon scattering
  • photon bullets
  • vacuum
  • Cherenkov radiation

Cite this

Marklund, M. ; Eliasson, B. ; Shukla, P. K. / Self-compression and catastrophic collapse of photon bullets in vacuum. In: JETP Letters. 2004 ; Vol. 79, No. 5. pp. 208-212.
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Self-compression and catastrophic collapse of photon bullets in vacuum. / Marklund, M.; Eliasson, B.; Shukla, P. K.

In: JETP Letters, Vol. 79, No. 5, 01.03.2004, p. 208-212.

Research output: Contribution to journalArticle

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