4D Effective Theory and Geometrical Approach

We consider the 4D effective theory for the light Kaluza-Klein (KK) modes. The heavy KK mode contribution is generally needed to reproduce the correct physical predictions: an equivalence, between the effective theory and the D-dimensional (or geometrical) approach to spontaneous symmetry breaking (...

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Bibliographic Details
Published in:AIP conference proceedings 2007-01, Vol.881 (1), p.58-64
Main Author: Salvio, A
Format: Article
Language:English
Subjects:
EINSTEIN-MAXWELL EQUATIONS
FERMIONS
FOUR-DIMENSIONAL CALCULATIONS
KALUZA-KLEIN THEORY
MANY-DIMENSIONAL CALCULATIONS
MASS
PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
SUPERSYMMETRY
SYMMETRY BREAKING
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Summary:We consider the 4D effective theory for the light Kaluza-Klein (KK) modes. The heavy KK mode contribution is generally needed to reproduce the correct physical predictions: an equivalence, between the effective theory and the D-dimensional (or geometrical) approach to spontaneous symmetry breaking (SSB), emerges only if the heavy mode contribution is taken into account. This happens even if the heavy mode masses are at the Planck scale. In particular, we analyze a 6D Einstein-Maxwell model coupled to a charged scalar and fermions. Moreover, we briefly review non-Abelian and supersymmetric extensions of this theory.
ISSN:0094-243X
1551-7616
DOI:10.1063/1.2435280