Selfdual Spin 2 Theory in a 2+1 Dimensional Constant Curvature Space-Time

Physics – High Energy Physics – High Energy Physics - Theory

Scientific paper

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20 pages, references added, little modifications performed

Scientific paper

10.1007/s11467-009-0073-z

The Lagrangian constraint analysis of the selfdual massive spin 2 theory in a 2+1 dimensional flat space-time and its extension to a curved one, are performed. Demanding consistence of degrees of freedom in the model with gravitational interaction, gives rise to physical restrictions on non minimal coupling terms and background. Finally, a constant curvature scenario is explored, showing the existence of forbidden mass values. Causality in these spaces is discussed. Aspects related with the construction of the reduced action and the one-particle exchange amplitude, are noted.

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