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Quantized bulk fermions in the Randall-Sundrum brane model

Lookup NU author(s): Professor Ian MossORCiD, Professor David Toms

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Abstract

The lowest order quantum corrections to the effective action arising from quantized massive fermion fields in the Randall-Sundrum background spacetime are computed. The boundary conditions and their relation with gauge invariance are examined in detail. The possibility of Wilson loop symmetry breaking in brane models is also analyzed. The self-consistency requirements, previously considered in the case of a quantized bulk scalar field, are extended to include the contribution from massive fermions. It is shown that in this case it is possible to stabilize the radius of the extra dimensions but it is not possible to simultaneously solve the hierarchy problem, unless the brane tensions are dramatically fine-tuned, supporting previous claims. ©2001 The American Physical Society.

Publication metadata

Author(s): Flachi A, Moss IG, Toms DJ

Publication type: Article

Publication status: Published

Journal: Physical Review D

Year: 2001

Volume: 64

Issue: 10

ISSN (print): 1550-7998

ISSN (electronic): 1089-4918

Publisher: American Physical Society

URL: http://dx.doi.org/10.1103/PhysRevD.64.105029

DOI: 10.1103/PhysRevD.64.105029

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