Exotic massive 3D gravity

Ozkan, Mehmet

doi:10.1007/JHEP08(2018)035

Exotic massive 3D gravity

2018-08-09

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DOI：10.1007/JHEP08(2018)035

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The linearized equations of New Massive Gravity propagate a parity doublet of massive spin-2 modes in 3D Minkowski spacetime, but a different non-linear extension is made possible by third-way consistency. There is a Chern-Simons-like action, as for other 3D massive gravity models, but the new theory is exotic: its action is parity odd. This Exotic Massive Gravity is the next-to-simplest case in an infinite sequence of third-way consistent 3D gravity theories, the simplest being the Minimal Massive Gravity alternative to Topologically Massive Gravity.

Keyword:

Chern-Simons Theories

Classical Theories of Gravity

Field Theories in Lower Dimensions

Exotic massive 3D gravity

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