Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
1996-10-03
Phys.Lett. B412 (1997) 253-258
Physics
High Energy Physics
High Energy Physics - Theory
To Appear in Phys. Lett. B, In memory of Emma Meurice
Scientific paper
10.1016/S0370-2693(97)01029-0
In this work we use constructs from the dual space of the semi-direct product of the Virasoro algebra and the affine Lie algebra of a circle to write a theory of gravitation which is a natural analogue of Yang-Mills theory. The theory provides a relation between quadratic differentials in 1+1 dimensions and rank two symmetric tensors in higher dimensions as well as a covariant local Lagrangian for two dimensional gravity. The isotropy equations of coadjoint orbits are interpreted as Gauss law constraints for a field theory in two dimensions, which enables us to extend to higher dimensions. The theory has a Newtonian limit in any space-time dimension. Our approach introduces a novel relationship between string theories and 2D field theories that might be useful in defining dual theories. We briefly discuss how this gravitational field couples to fermions.
Branson Thomas
Lano Ralph P.
Rodgers Vincent G. J.
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