Lorentz violation in supersymmetric field theories

Stefan Groot Nibbelink, Maxim Pospelov

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130 Scopus citations

Abstract

We construct supersymmetric Lorentz violating operators for matter and gauge fields. We show that in the supersymmetric standard model the lowest possible dimension for such operators is five, and therefore they are suppressed by at least one power of an ultraviolet energy scale, providing a possible explanation for the smallness of Lorentz violation and its stability against radiative corrections. Supersymmetric Lorentz noninvariant operators do not lead to modifications of dispersion relations at high energies thereby escaping constraints from astrophysical searches for Lorentz violation.

Original languageEnglish (US)
Article number081601
JournalPhysical review letters
Volume94
Issue number8
DOIs
StatePublished - Mar 4 2005

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