The intense radiation gas

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

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

We present a new dispersion relation for photons that are nonlinearly interacting with a radiation gas of arbitrary intensity due to photon-photon scattering. It is found that the photon phase velocity decreases with increasing radiation intensity, and it attains a minimum value in the limit of super-intense fields. By using Hamilton's ray equations, a self-consistent kinetic theory for interacting photons is formulated. The interaction between an electromagnetic pulse and the radiation gas is shown to produce pulse self-compression and nonlinear saturation. Implications of our new results are discussed.
LanguageEnglish
Pages327-333
Number of pages7
JournalEPL: A Letters Journal Exploring the Frontiers of Physics
Volume70
Issue number3
DOIs
Publication statusPublished - 6 Apr 2005

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photons
radiation
gases
electromagnetic pulses
kinetic theory
phase velocity
radiant flux density
rays
saturation
pulses
scattering
interactions

Keywords

  • photon-photon scattering

Cite this

Marklund, M. ; Shukla, P. K. ; Eliasson, B. / The intense radiation gas. In: EPL: A Letters Journal Exploring the Frontiers of Physics. 2005 ; Vol. 70, No. 3. pp. 327-333.
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The intense radiation gas. / Marklund, M.; Shukla, P. K.; Eliasson, B.

In: EPL: A Letters Journal Exploring the Frontiers of Physics, Vol. 70, No. 3, 06.04.2005, p. 327-333.

Research output: Contribution to journalArticle

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