Kaluza-Klein modes of bulk fields in a generalized Randall-Sundrum scenario
Joydip Mitra, Soumitra SenGupta
TL;DR
This paper analyzes how a non-zero cosmological constant on the brane affects the masses of Kaluza-Klein modes of various bulk fields in a generalized Randall-Sundrum model, impacting particle phenomenology.
Contribution
It extends the Randall-Sundrum model by incorporating a non-zero brane cosmological constant and calculates the resulting Kaluza-Klein spectra for multiple bulk fields.
Findings
KK mode masses depend on the brane cosmological constant
Mass spectra vary for graviton, gauge, and Kalb-Ramond fields
Implications for warped brane particle phenomenology
Abstract
We consider a generalised two brane Randall-Sundrum model with non-zero cosmological constant on the visible TeV brane. Massive Kaluza-Klein modes for various bulk fields namely graviton, gauge field and antisymmetric second rank Kalb-Ramond field in a such generalized Randall-Sundrum scenario are determined. The masses for the Kaluza-Klein excitations of different bulk fields are found to depend on the brane cosmological constant indicating interesting consequences in warped brane particle phenomenology
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