Astronomy and Astrophysics – Astrophysics – General Relativity and Quantum Cosmology
Scientific paper
1999-02-19
Class.Quant.Grav.16:L45-L49,1999
Astronomy and Astrophysics
Astrophysics
General Relativity and Quantum Cosmology
4 pages, REVTeX file, no figures
Scientific paper
10.1088/0264-9381/16/8/101
We explore the role of the Cremmer-Scherk mechanism in the context of low energy effective string theory by coupling the antisymmetric 3-form gauge potential to an Abelian gauge potential carrying weak hypercharge. The theory admits a class of exact self-gravitating solutions in the spontaneously broken phase in which the dual fields acquire massive perturbative modes. Despite the massive nature of these fields they admit non-perturbative progressive longitudinal modes that together with pp-type gravitational waves travel in a direction of a line source at the speed of light.
Dereli Tekin
Tucker Robin W.
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