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arxiv: 1404.2867 · v4 · submitted 2014-04-10 · ✦ hep-th · gr-qc

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Minimal Massive 3D Gravity

Eric Bergshoeff , Olaf Hohm , Wout Merbis , Alasdair J. Routh , Paul K. Townsend
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classification ✦ hep-th gr-qc
keywords massivegravityminimalgravitonpositiveads-boundaryalgebraalternative
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We present an alternative to Topologically Massive Gravity (TMG) with the same "minimal" bulk properties; i.e. a single local degree of freedom that is realized as a massive graviton in linearization about an anti-de Sitter (AdS) vacuum. However, in contrast to TMG, the new "minimal massive gravity" has both a positive energy graviton and positive central charges for the asymptotic AdS-boundary conformal algebra.

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