Photon gas dynamics in the early universe
2008 (English)In: Physics Letters B, ISSN 0370-2693, E-ISSN 1873-2445, Vol. 659, no 1-2, 54-57 p.Article in journal (Refereed) Published
Quantum electrodynamics predicts that photons undergo one-loop scattering. The combined effect of this on the behaviour of a photon gas for temperatures above similar to 10(10) K results in a softening of the equation of state. We calculate the effect this has on the effective equation of state in the early universe, taking into account all the species of the Standard Model. The change to the dynamics of the early universe is discussed.
Place, publisher, year, edition, pages
Amsterdam: Elsevier, 2008. Vol. 659, no 1-2, 54-57 p.
IdentifiersURN: urn:nbn:se:umu:diva-18728DOI: 10.1016/j.physletb.2007.10.049ISI: 000252878000008OAI: oai:DiVA.org:umu-18728DiVA: diva2:174650