Bosonic String in Affine-Metric Curved Space

Details Bosonic String in Affine-Metric Curved Space Bosonic String in Affine-Metric Curved Space

2004-01-28

arxiv.org/abs/hep-th/0401223v1

Phys.Lett.B323:296-304,1994

Physics

High Energy Physics

High Energy Physics - Theory

15 pages, LaTeX

Scientific paper

10.1016/0370-2693(94)91223-8

The sigma model approach to the closed bosonic string on the affine-metric manifold is considered. The two-loop metric counterterms for the nonlinear two-dimensional sigma model with affine-metric target manifold are calculated. The correlation of the metric and affine connection is considered as the result of the ultraviolet finiteness (or beta-function vanishing) condition for the nonlinear sigma model. The examples of the nonflat nonRiemannian manifolds resulting in the trivial metric beta-function are suggested.

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