| Issue |
EPL
Volume 96, Number 4, November 2011
|
|
|---|---|---|
| Article Number | 41001 | |
| Number of page(s) | 5 | |
| Section | The Physics of Elementary Particles and Fields | |
| DOI | https://doi.org/10.1209/0295-5075/96/41001 | |
| Published online | 11 November 2011 | |
Born-Infeld black-body radiation
1
Physics Group, Islamic Azad University, South Tehran Branch - P. O. Box 11365, Tehran 4435, Iran
2
Department of Physics, Alzahra University - P. O. Box 19938, Tehran 91167, Iran
Received:
22
August
2011
Accepted:
3
October
2011
The problem of black-body radiation is considered in the Born-Infeld theory of electrodynamics. In particular, at 2-loop order the deviation from the Planck expression due to the self-interaction of photons is calculated. It is seen that the system of interacting photons of the theory, opposed to its non-Abelian counterpart, has higher internal energy at this order of perturbation. Possible implications of the result on the evolution of very-high-temperature systems, including various stellar media and the early universe, are briefly discussed.
PACS: 11.10.Wx – Finite-temperature field theory / 44.40.+a – Thermal radiation / 14.70.Bh – Photons
© EPLA, 2011
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