The Stability of D-term Cosmic Strings

Details The Stability of D-term Cosmic Strings The Stability of D-term Cosmic Strings

2007-01-12

arxiv.org/abs/hep-th/0701115v1

Fortsch.Phys.55:686-691,2007

Physics

High Energy Physics

High Energy Physics - Theory

9 pages, contribution to the proceedings of the RTN project `Constituents, Fundamental Forces and Symmetries of the Universe'

Scientific paper

10.1002/prop.200610364

In this note, which is based on hep-th/0611111, we review the stability of the static, positive deficit angle D-term string solutions of D=4, N=1 supergravity with a constant Fayet-Iliopoulos term. We prove the semi-classical stability of this class of solutions using standard positive energy theorem techniques. In particular, we discuss how the negative deficit angle D-term string, which also solves the Killing spinor equations, violates the dominant energy condition and so is excluded from our arguments.

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