Conformal anomaly for dilaton coupled electromagnetic field

Details Conformal anomaly for dilaton coupled electromagnetic field Conformal anomaly for dilaton coupled electromagnetic field

1998-01-09

arxiv.org/abs/hep-th/9801052v1

Phys.Lett.B426:29-35,1998

Physics

High Energy Physics

High Energy Physics - Theory

Latex file, 10 pages

Scientific paper

10.1016/S0370-2693(98)00241-X

The derivation of the conformal anomaly for dilaton coupled electromagnetic field in curved space is presented. The models of this sort naturally appear in stringy gravity or after spherical reduction of multidimensional Einstein-Maxwell theory. It is shown that unlike the case of minimal vector in curved space or dilaton coupled scalar the anomaly induced effective action cannot be derived. The reason is the same why anomaly induced effective action cannot be constructed for interacting theories (like QED) in curved space.

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