Space-time singularities and the axion in the Poincare coset models ISO(2,1)/H

被引：3

作者：

Casadio, R

Harms, B

机构：

[1] Department of Physics and Astronomy, University of Alabama, Box 870324, Tuscaloosa

来源：

PHYSICS LETTERS B | 1996年 / 389卷 / 02期

关键词：

axion field; bosonic strings; coset construction; curved space-times; Poincare invariance; signature changes; space-time singularities; spinning strings;

D O I：

10.1016/S0370-2693(96)01253-1

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

By promoting an invariant subgroup H of ISO(2,1) to a gauge symmetry of a WZWN action, we obtain the description of a bosonic string moving either in a curved 4-dimensional space-time with an axion field and curvature singularities or in 3-dimensional Minkowski space-time.

引用

页码：243 / 247

页数：5

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