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36 papers · 2 filters
Antibracket, Antifields and Gauge-Theory Quantization
Joaquim Gomis, Jordi Paris, Stuart Samuel
The antibracket formalism for gauge theories, at both the classical and quantum level, is reviewed. Gauge transformations and the associated gauge structure are analyzed in detail.…
Amplification of the scattering cross section due to non-trivial topology of the spacetime
K. Kirsten, Yu. Kubyshin
In previous articles it was demonstrated that the total cross section of the scattering of two light particles (zero modes of the Kaluza-Klein tower) in the six-dimensional $λϕ^{4}…
A Four-Dimensional Theory for Quantum Gravity with Conformal and Nonconformal Explicit Solutions
E. Elizalde, A. G. Jacksenaev, S. D. Odintsov +1
The most general version of a renormalizable theory corresponding to a dimensionless higher-derivative scalar field model in curved spacetime is explored. The classical actio…
Wess-Zumino Terms for Reducible Anomalous Gauge Theories
J. Gomis, J. M. Pons, F. Zamora
Reducible off-shell anomalous gauge theories are studied in the framework of an extended Field-Antifield formalism by introducing new variables associated with the anomalous gauge…
Higher Derivative Four-Fermion Model in Curved Spacetime
E. Elizalde, S. Leseduarte, S. D. Odintsov
We discuss the phase structure of a higher derivative four-fermion model in four dimensions in curved spacetime in frames of the -expansion. First, we evaluate in ou…
Non-Critical Bosonic String Corrections to the Black Hole Entropy
E. Elizalde, S. D. Odintsov
We calculate the quantum corrections to the entropy of a very large black hole, coming from the theory of a -dimensional, non-critical bosonic string. We show that, for ,…