Exact Primordial Black Strings in Four Dimensions

Details Exact Primordial Black Strings in Four Dimensions Exact Primordial Black Strings in Four Dimensions

1993-03-10

arxiv.org/abs/hep-th/9303059v1

Phys.Rev. D48 (1993) 4658-4661

Physics

High Energy Physics

High Energy Physics - Theory

11 pages plain TeX, Univ. of Alberta preprint Alberta-THY-14-1993

Scientific paper

10.1103/PhysRevD.48.4658

A solution of effective string theory in four dimensions is presented which admits interpretation of a rotating black cosmic string. It is constructed by tensoring the three dimensional black hole, extended with the Kalb-Ramond axion, with a flat direction. The physical interpretation of the solution is discussed, with special attention on the axion, which is found to play a role very similar to a Higgs field. Finally, it is pointed out that the solution represents an exact WZWN $\sigma$ model on the string world sheet, to all orders in the inverse string tension $\alpha'$.

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