Bulg. J. Phys. vol.40 no.2 (2013), pp. 127-133

Dynamical Couplings and Charge Confinement/Deconfinement from Gravity Coupled to Nonlinear Gauge Fields

E. Guendelman1, A. Kaganovich1, E. Nissimov2, S. Pacheva2
1Department of Physics, Ben-Gurion Univ. of the Negev, Beer-Sheva 84105, Israel
2Institute of Nuclear Research and Nuclear Energy, Bulgarian Academy of Sciences, Sofia 1784, Bulgaria
Abstract. We briefly outline several main results concerning various new physically relevant features found in gravity - both ordinary Einstein or f(R)=R+R2 gravity in the first-order formalism, coupled to a special kind of nonlinear electrodynamics containing a square root of the standard Maxwell Lagrangian and known to produce charge confinement in flat spacetime.

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