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Extended massive gravity in three dimensions

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arxiv 1405.6213 v2 pith:RCJLM42I submitted 2014-05-23 hep-th

Hamid R. Afshar , Eric A. Bergshoeff , Wout Merbis This is my paper · ORCID
classification hep-th
keywords gravityconstructdimensionsthreehigher-derivativemodelstheoriesanalyze
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Using a first order Chern-Simons-like formulation of gravity we systematically construct higher-derivative extensions of general relativity in three dimensions. The construction ensures that the resulting higher-derivative gravity theories are free of scalar ghosts. We canonically analyze these theories and construct the gauge generators and the boundary central charges. The models we construct are all consistent with a holographic c-theorem which, however, does not imply that they are unitary. We find that Born-Infeld gravity in three dimensions is contained within these models as a subclass.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Chern-Simons-like formulation of 3D MMG-like massive gravity models

    hep-th 2026-01 conditional novelty 6.0 of 10

    The simplest MMG-like third-way gravity model has unavoidable ghosts/tachyons, and at a chiral degenerate point its mass operator forms a rank-3 Jordan block, suggesting an ultra-logarithmic dual CFT.

  2. Note on WAdS$_3$ black holes in extended BHT gravity

    hep-th 2024-11 conditional novelty 3.0 of 10

    Using Wald's formalism and the thermodynamics method, the paper computes conserved charges and dual CFT central charges for WAdS3 black holes in NMG and ENMG, finding results consistent with earlier work.

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