Modified spontaneous symmetry breaking pattern by brane-bulk interaction terms
Francesco Coradeschi, Stefania De Curtis, Daniele Dominici, Jos\'e R., Pelaez
TL;DR
This paper demonstrates how brane-bulk interactions in extra-dimensional models can lead to spontaneous symmetry breaking with non-trivial vacuum profiles, breaking translational invariance.
Contribution
It introduces a modified symmetry breaking pattern caused by delta-like brane-bulk interactions, providing explicit vacuum configurations with non-trivial extra-dimensional profiles.
Findings
Translational invariance can be broken by brane-bulk interactions.
Explicit examples of vacuum configurations with non-trivial profiles are constructed.
The mechanism affects symmetry breaking patterns in extra-dimensional models.
Abstract
We show how translational invariance can be broken by the vacuum that drives the spontaneous symmetry breaking of extra-dimensional extensions of the Standard Model, when delta-like interactions between brane and bulk scalar fields are present. We explicitly build some examples of vacuum configurations, which induce the spontaneous symmetry breaking, and have non trivial profile in the extra coordinate.
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