Dilaton and axion bremsstrahlung from collisions of cosmic (super)strings
High Energy Physics - Theory
2008-11-26 v1
Abstract
We calculate dilaton and axion radiation generated in the collision of two straight initially unexcited strings and give a rough cosmological estimate of dilaton and axion densities produced via this mechanism in the early universe.
Keywords
Cite
@article{arxiv.hep-th/0612271,
title = {Dilaton and axion bremsstrahlung from collisions of cosmic (super)strings},
author = {E. Yu. Melkumova and D. V. Gal'tsov and K. Salehi},
journal= {arXiv preprint arXiv:hep-th/0612271},
year = {2008}
}
Comments
7 pages, to appear in Proceedings of the 2nd International conference On quantum theories and renormalization group in gravity and cosmology (IRGAC 2006), 11-15 Jul 2006, Barcelona, Spain