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hep-th2002★ 1 cited
Renormalization in quantum Brans-Dicke gravity
Z. Haba
In the Brans-Dicke model we treat the scalar field exactly and expand the gravitational field in a power series. A comparison with 2D sigma models and ϕ^{4} perturbation theory in…
hep-th2002
Absence of a charge renormalization in the Higgs model interacting with conformal two-dimensional gravity
Z. Haba
We discuss D-dimensional scalar and electromagnetic fields interacting with a quantized metric. The gravitons depend solely on twodimensional coordinates. We consider a conformal f…
hep-th2002
Effective action in a quantized metric
Z. Haba
We calculate the effective action in Yang-Mills and scalar ϕ^4 quantum field theory with quantized scale invariant metric treated non-perturbatively in d=4 dimensions. There is no…