Minimal massive 3D gravity unitarity redux

被引:22
作者
Arvanitakis, Alex S. [1 ]
Townsend, Paul K. [1 ]
机构
[1] Univ Cambridge, Dept Appl Math & Theoret Phys, Ctr Math Sci, Cambridge CB3 0WA, England
基金
英国科学技术设施理事会;
关键词
massive gravity; unitarity; holography;
D O I
10.1088/0264-9381/32/8/085003
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
A geometrical analysis of the bulk and anti-de Sitter boundary unitarity conditions of 3D 'minimal massive gravity' (MMG) (which evades the 'bulk/boundary clash' of topologically massive gravity) is used to extend and simplify previous results, showing that unitarity selects, up to equivalence, a connected region in parameter space. We also initiate the study of flat-space holography for MMG. Its relevant flat space limit is a deformation of 3D conformal gravity; the deformation is both nonlinear and non-conformal, implying a linearization instability.
引用
收藏
页数:14
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