Confinement, Vacuum Structure: from QCD to Quantum Gravity

Details Confinement, Vacuum Structure: from QCD to Quantum Gravity Confinement, Vacuum Structure: from QCD to Quantum Gravity

2010-05-01

arxiv.org/abs/1005.0110v1

Nucl.Phys. A844, (2010) 115C-119C

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

7 pages; reduced version of talk given at IV International Symposium on Symmetries in Subatomic Physics (SSP 2009), plenary se

Scientific paper

10.1016/j.nuclphysa.2010.05.022

A minimal Lorentz gauge gravity model with R^2-type Lagrangian is proposed. In the absence of torsion the model admits a topological phase with unfixed metric. The model possesses a minimal set of dynamical degrees of freedom for the torsion. Remarkably, the torsion has the same number of dynamical of-shell degrees of freedom as the metric tensor. We trace an analogy between the structure of the quantum chromodynamics and the structure of possible theory of quantum gravity.

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