Constrained Dynamics of Universally Coupled Massive Spin 2-spin 0 Gravities

Details Constrained Dynamics of Universally Coupled Massive Spin 2-spin 0 Gravities Constrained Dynamics of Universally Coupled Massive Spin 2-spin 0 Gravities

2006-01-25

arxiv.org/abs/hep-th/0601185v1

J.Phys.Conf.Ser. 33 (2006) 279-284

Physics

High Energy Physics

High Energy Physics - Theory

6 pages; Talk given at QG05, Cala Gonone (Italy), September 2005

Scientific paper

The 2-parameter family of massive variants of Einstein's gravity (on a Minkowski background) found by Ogievetsky and Polubarinov by excluding lower spins can also be derived using universal coupling. A Dirac-Bergmann constrained dynamics analysis seems not to have been presented for these theories, the Freund-Maheshwari-Schonberg special case, or any other massive gravity beyond the linear level treated by Marzban, Whiting and van Dam. Here the Dirac-Bergmann apparatus is applied to these theories. A few remarks are made on the question of positive energy. Being bimetric, massive gravities have a causality puzzle, but it appears soluble by the introduction and judicious use of gauge freedom.

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