Effective Potential and KK-Renormalization Scheme in a 5D Supersymmetric Theory

Details Effective Potential and KK-Renormalization Scheme in a 5D Supersymmetric Theory Effective Potential and KK-Renormalization Scheme in a 5D Supersymmetric Theory

2001-08-16

arxiv.org/abs/hep-th/0108117v2

Nucl.Phys.B636:115-131,2002

Physics

High Energy Physics

High Energy Physics - Theory

12 pages, Latex. A new section is added and typos errors corrected. Also, added some clearifying remarks and refs

Scientific paper

10.1016/S0550-3213(02)00398-X

We calculate the 1-loop effective potential in a supersymmetric model in 5D with $S^1/(Z_2\times Z_2)$ orbifold compactification. The procedure of calculation consists of evaluating first the integrals over four-momenta using the dimensional regularization and then the sum over Kaluza-Klein modes using the zeta-regularization. We show that both fermionic and bosonic contributions are separately finite and argue that, supersymmetry is not necessary for the finiteness of the theory at 1-loop. Also, some general arguments on the finiteness of the theory with arbitrary number of extra dimensions are presented.

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