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Journal Articles Physical Review D Year : 2016

Bosonic structure of realistic SO(10) supersymmetric cosmic strings

Abstract

We study the bosonic structure of F-term Nambu-Goto cosmic strings forming in a realistic SO(10) implementation, assuming standard hybrid inflation. We describe the supersymmetric grand unified theory, and its spontaneous symmetry breaking scheme in parallel with the inflationary process. We also write the explicit tensor formulation of its scalar sector, focusing on the subrepresentations singlet under the standard model, which is sufficient to describe the string structure. We then introduce an ansatz for Abelian cosmic strings, discussing in details the hypothesis, and write down the field equations and boundary conditions. Finally, after doing a perturbative study of the model, we present and discuss the results obtained with numerical solutions of the string structure.

Dates and versions

hal-01331658 , version 1 (14-06-2016)

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Erwan Allys. Bosonic structure of realistic SO(10) supersymmetric cosmic strings. Physical Review D, 2016, 93 (10), pp.105021. ⟨10.1103/PhysRevD.93.105021⟩. ⟨hal-01331658⟩
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