String Theory In Curved Space-Time
High Energy Physics - Theory
2009-10-30 v3 General Relativity and Quantum Cosmology
Abstract
Intrinsic and extrinsic geometric properties of string world sheets in curved space-time background are explored. In our formulation, the only dynamical degrees of freedom of the string are its immersion coordinates. Classical equation of motion and the space-time energy-momentum tensor of the string are obtained. The equations of motion for the extrinsic curvature action are second order for the scalar mean curvature of the world sheet. 1-loop divergent terms are calculated using the background field method. Asymptotic freedom of the extrinsic curvature coupling is established.
Keywords
Cite
@article{arxiv.hep-th/9605007,
title = {String Theory In Curved Space-Time},
author = {K. S. Viswanathan and R. Parthasarathy},
journal= {arXiv preprint arXiv:hep-th/9605007},
year = {2009}
}
Comments
More discussions added in the Introduction and under Eq.64. Additional references included. 27 pages; Revtex