Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2003-02-16
Phys.Lett. B561 (2003) 174-182
Physics
High Energy Physics
High Energy Physics - Theory
10 pages, uses harvmac
Scientific paper
10.1016/S0370-2693(03)00385-X
The response of the one loop effective action for a gauge theory with local
couplings $g(x),\theta(x)$ under a local Weyl rescaling of the background
metric is calculated. Apart from terms which may be removed by local
contributions to the effective action the result is compatible with $Sl(2,R)$
symmetry acting on $g,\theta$. Two loop effects are also discussed.
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