  The Kaluza-Klein theory and Randall-Sundrum theory are examined
comparatively, with focus on the five dimensional (Dirac) fermion and the
dimensional reduction to four dimensions. They are treated in the Cartan
formalism. The chiral property, localization, anomaly phenomena are examined.
The electric and magnetic dipole moment terms naturally appear. The order
estimation of the couplings is done. This is a possible origin of the
CP-violation.
