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Tr. Mat. Inst. Steklova, 2011, Volume 272, Pages 97–116 (Mi tm3260)  

Dynamical symmetry breaking in hyperbolic 4D spacetime and in extra dimensions

D. Ebertab, A. V. Tyukovc, V. Ch. Zhukovskyc

a Joint Institute for Nuclear Research, Dubna, Moscow region, Russia
b Institut für Physik, Humboldt-Universität zu Berlin, Berlin, Germany
c Department of Theoretical Physics, Faculty of Physics, Moscow State University, Moscow, Russia

Abstract: We study the dynamical symmetry breaking in quark matter within two different models. First, we consider the effect of gravitational catalysis of chiral and color symmetries breaking in strong gravitational field of ultrastatic hyperbolic spacetime $\mathbb R\otimes H^3$ in the framework of an extended Nambu–Jona-Lasinio model. Second, we discuss the dynamical fermion mass generation in the flat 4-dimensional brane situated in the 5D spacetime with one extra dimension compactified on a circle. In the model, bulk fermions interact with fermions on the brane in the presence of a constant abelian gauge field $A_5$ in the bulk. The influence of the $A_5$-gauge field on the symmetry breaking is considered both when this field is a background parameter and a dynamical variable.

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English version:
Proceedings of the Steklov Institute of Mathematics, 2011, 272, 88–106

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Received in July 2010
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Citation: D. Ebert, A. V. Tyukov, V. Ch. Zhukovsky, “Dynamical symmetry breaking in hyperbolic 4D spacetime and in extra dimensions”, Problems of modern theoretical and mathematical physics: Gauge theories and superstrings, Collected papers. Dedicated to Academician Andrei Alekseevich Slavnov on the occasion of his 70th birthday, Tr. Mat. Inst. Steklova, 272, MAIK Nauka/Interperiodica, Moscow, 2011, 97–116; Proc. Steklov Inst. Math., 272 (2011), 88–106

Citation in format AMSBIB
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\by D.~Ebert, A.~V.~Tyukov, V.~Ch.~Zhukovsky
\paper Dynamical symmetry breaking in hyperbolic 4D spacetime and in extra dimensions
\inbook Problems of modern theoretical and mathematical physics: Gauge theories and superstrings
\bookinfo Collected papers. Dedicated to Academician Andrei Alekseevich Slavnov on the occasion of his 70th birthday
\serial Tr. Mat. Inst. Steklova
\yr 2011
\vol 272
\pages 97--116
\publ MAIK Nauka/Interperiodica
\publaddr Moscow
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\crossref{https://doi.org/10.1134/S0081543811010093}
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