The Standard Model in a Soft-Wall Warped Dimension

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Abstract

Abs We show that the Standard Model can be formulated in a warped extra dimension with a soft wall. The infrared boundary is replaced with a smoothly varying dilaton field that provides a dynamical spacetime cutoff, generalising the usual hard-wall warped dimension. This allows a more general spacing for the Kaluza-Klein mass spectrum of bulk fields, including the possibility of Regge-like behaviour. Moreover the usual features of hard-wall setups can be reproduced where electroweak symmetry is now broken with a bulk Higgs condensate.

Original languageEnglish (US)
Pages (from-to)145-153
Number of pages9
JournalProgress of Theoretical Physics Supplement
Issue number180
DOIs
StatePublished - 2009

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