Chiral cosmic strings in supergravity | Zendy

Rachel Jeannerot | Zendy; Marieke Postma | Zendy

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Chiral cosmic strings in supergravity

Author(s) -

Rachel Jeannerot,

Marieke Postma

Publication year - 2004

Publication title -

journal of high energy physics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.998

H-Index - 261

eISSN - 1126-6708

pISSN - 1029-8479

DOI - 10.1088/1126-6708/2004/12/043

Subject(s) - supergravity , physics , supersymmetry , cosmic string , higgs boson , particle physics , string (physics) , theoretical physics , string theory , supersymmetry breaking

We consider F and D-term cosmic strings formed in supersymmetric theories.Supersymmetry is broken inside the string core, but restored outside. In globalSUSY, this implies the existence of goldstino zero modes, and the stringpotentially carries fermionic currents. We show that these zero modes do notsurvive the coupling to gravity, due to the super Higgs mechanism. Thereforethe superconductivity and chirality properties are different in global andlocal supersymmetry. For example, a string formed at the end of D-terminflation is chiral in supergravity but non-chiral in global SUSY.Comment: 14 pages, no figure

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