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9 papers · 2 filters
Bigravity in Kuchar's Hamiltonian formalism. 1. The general case
Vladimir O. Soloviev, Margarita V. Tchichikina
The Hamiltonian formalism of bigravity and massive gravity is studied here for the general form of the interaction potential of two metrics. In the theories equipped with two space…
Superconductivity phenomenon induced by external in-plane magnetic field in (2+1)-dimensional Gross--Neveu type model
K. G. Klimenko, R. N. Zhokhov, V. Ch. Zhukovsky
Phase structure of the (2+1)-dimensional model with four-fermion interaction of spin-1/2 quasiparticles (electrons) both in the fermion-antifermion (or chiral) and fermion-fermion…
Superconducting phase transitions induced by chemical potential in (2+1)-dimensional four-fermion quantum field theory
K. G. Klimenko, R. N. Zhokhov, V. Ch. Zhukovsky
In the paper a generalization of the (1+1)-dimensional model by Chodos et al [Phys. Rev. D61, 045011 (2000)] has been performed to the case of (2+1)-dimensional spacetime. The mode…
On gravitational interactions for massive higher spins in
I. L. Buchbinder, T. V. Snegirev, Yu. M. Zinoviev
In this paper we investigate gravitational interactions of massive higher spin fields in three dimensional space with arbitrary value of cosmological constant including flat…
Gauge invariant Lagrangian formulation of massive higher spin fields in (A)dS_3 space
I. L. Buchbinder, T. V. Snegirev, Yu. M. Zinoviev
We develop the frame-like formulation of massive bosonic higher spins fields in the case of 3-dimensional space with the arbitrary cosmological constant. The formulation is…
Anomalous Transport from Kubo Formulae
Karl Landsteiner, Eugenio Megias, Francisco Pena-Benitez
Chiral anomalies have profound impact on the transport properties of relativistic fluids. In four dimensions there are different types of anomalies, pure gauge and mixed gauge-grav…
Cubic interaction vertex of higher-spin fields with external electromagnetic field
I. L. Buchbinder, T. V. Snegirev, Yu. M. Zinoviev
We fulfill the detailed analysis of coupling the charged bosonic higher spin fields to external constant electromagnetic field in first order in external field strength. Cubic inte…
Magnetic Response in the Holographic Insulator/Superconductor Transition
Marc Montull, Oriol Pujolàs, Alberto Salvio +1
We study the magnetic response of holographic superconductors exhibiting an insulating "normal" phase. These materials can be realized as a CFT compactified on a circle, which is d…
Asymptotic behavior in a model with Yukawa interaction from Schwinger-Dyson equations
V. E. Rochev
A system of Schwinger-Dyson equations for pseudoscalar four-dimensional Yukawa model in the two-particle approximation is investigated. The simplest iterative solution of the syste…