Anisotropic Null String Cosmologies
广义相对论与量子宇宙学
2009-10-31 v1
摘要
We study string propagation in an anisotropic, cosmological background. We solve the equations of motion and the constraints by performing a perturbative expansion of the string coordinates in powers of c^2, the world-sheet speed of light. To zeroth order the string is approximated by a tensionless string (since c is proportional to the string tension T). We obtain exact, analytical expressions for the zeroth and the first order solutions and we discuss some cosmological implications.
引用
@article{arxiv.gr-qc/9810062,
title = {Anisotropic Null String Cosmologies},
author = {Ioannis Giannakis and K. Kleidis and K. Kuiroukidis and D. Papadopoulos},
journal= {arXiv preprint arXiv:gr-qc/9810062},
year = {2009}
}
备注
9 pages, plain Tex