Destruction of Fermion Zero Modes on Cosmic Strings

Details Destruction of Fermion Zero Modes on Cosmic Strings Destruction of Fermion Zero Modes on Cosmic Strings

1999-01-26

arxiv.org/abs/hep-ph/9901417v3

Int.J.Theor.Phys.38:2889-2900,1999

Physics

High Energy Physics

High Energy Physics - Phenomenology

10 pages; Presented at Peyresq Physics 3, July 1998

Scientific paper

10.1023/A:1026647813522

I examine the existence of zero energy fermion solutions (zero modes) on cosmic strings in an SO(10) grand unified theory. The current carrying capability of a cosmic string formed at one phase transition can be modified at subsequent phase transitions. I show that the zero modes may be destroyed and the conductivity of the string altered. I discuss the cosmological implications of this, and show that it allows vorton bounds to be relaxed.

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