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14 papers · 1 filter
On the renormalization group for the interacting massive scalar field theory in curved space
Guilherme de Berredo-Peixoto, Eduard V. Gorbar, Ilya L. Shapiro
The effective action for the interacting massive scalar field in curved space-time is derived using the heat-kernel method. Starting from this effective action, we establish a smoo…
Inflationary Dilatonic de Sitter Universe from Super Yang - Mills Theory Perturbed by Scalars and Spinors
Iver Brevik, John Quiroga Hurtado
In this paper a quantum N = 4 super Yang-Mills theory perturbed by dilaton-coupled scalars and spinor fields is considered. The induced effective action for such a theory is calcul…
Quantization of (2+1)-spinning particles and bifermionic constraint problem
R. Fresneda, S. P. Gavrilov, D. M. Gitman +1
This work is a natural continuation of our recent study in quantizing relativistic particles. There it was demonstrated that, by applying a consistent quantization scheme to a clas…
Superfield extended BRST quantization in general coordinates
B. Geyer, D. M. Gitman, P. M. Lavrov +1
We propose a superfield formalism of Lagrangian BRST-antiBRST quantization of arbitrary gauge theories in general coordinates with the base manifold of fields and antifields desrib…
Universality and Ambiguities of the Conformal Anomaly
M. Asorey, E. V. Gorbar, I. L. Shapiro
The one-loop structure of the trace anomaly is investigated using different regularizations and renormalization schemes: dimensional, proper time and Pauli-Villars. The universalit…
Fedosov supermanifolds: Basic properties and the difference in even and odd cases
Bodo Geyer, Petr Lavrov
We study basic properties of supermanifolds endowed with an even (odd) symplectic structure and a connection respecting this symplectic structure. Such supermanifolds can be consid…