Issue |
Europhys. Lett.
Volume 70, Number 3, May 2005
|
|
---|---|---|
Page(s) | 327 - 333 | |
Section | Electromagnetism, optics, acoustics, heat transfer, classical mechanics, and fluid dynamics | |
DOI | https://doi.org/10.1209/epl/i2004-10503-0 | |
Published online | 06 April 2005 |
The intense radiation gas
1
Department of Physics, Umeå University - SE-901 87 Umeå, Sweden
2
Centre for Fundamental Physics, Rutherford Appleton Laboratory Chilton Didcot, Oxfordshire, OX11 0QX, UK
3
Institut für Theoretische Physik IV, Fakultät für Physik und Astronomie Ruhr-Universität Bochum - D-44780 Bochum, Germany
Received:
13
December
2004
Accepted:
18
March
2005
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.
PACS: 42.55.Vc – X- and gamma-ray lasers / 12.20.Ds – Quantum electrodynamics: Specific calculations / 95.30.-k – Fundamental aspects of astrophysics
© EDP Sciences, 2005
Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.
Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.
Initial download of the metrics may take a while.