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- National Research Tomsk State UniversityRU14 papers
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11 papers · 1 filter
Multi-fermion interaction models in curved spacetime
Masako Hayashi, Tomohiro Inagaki, Hiroyuki Takata
A model with a scalar type eight-fermion interaction is investigated in curved spacetime. The ground state of the model can be obtained by observing the effective potential. Applyi…
BRST approach to Lagrangian formulation of bosonic totally antisymmeric tensor fields in curved space
I. L. Buchbinder, V. A. Krykhtin, L. L. Ryskina
We apply the BRST approach, previously developed for higher spin field theories, to gauge invariant Lagrangian construction for antisymmetric massive and massless bosonic fields in…
One-loop effective action in supersymmetric massive Yang-Mills theory
I. L. Buchbinder, N. G. Pletnev
We consider the supersymmetric theory of the massive Yang-Mills field formulated in the harmonic superspace. The various gauge-invariant forms of writing…
BRST structure of non-linear superalgebras
M. Asorey, P. M. Lavrov, O. V. Radchenko +1
In this paper we analyse the structure of the BRST charge of nonlinear superalgebras. We consider quadratic non-linear superalgebras where a commutator (in terms of (super) Poisson…
Quantum Equivalence of Massive Antisymmetric Tensor Field Models in Curved Space
I. L. Buchbinder, E. N. Kirillova, N. G. Pletnev
We study the effective actions for massive rank-2 and rank-3 antisymmetric tensor field models in curved space-time. These models are classically equivalent to massive vector field…
Future of the universe in modified gravitational theories: Approaching to the finite-time future singularity
Kazuharu Bamba, Shin'ichi Nojiri, Sergei D. Odintsov
We investigate the future evolution of the dark energy universe in modified gravities including gravity, string-inspired scalar-Gauss-Bonnet and modified Gauss-Bonnet ones,…