On non-linear actions for massive gravity

被引:300
作者
Hassan, S. F. [1 ]
Rosen, Rachel A.
机构
[1] Stockholm Univ, AlbaNova Univ Ctr, Dept Phys, SE-10691 Stockholm, Sweden
来源
JOURNAL OF HIGH ENERGY PHYSICS | 2011年 / 07期
基金
瑞典研究理事会;
关键词
Classical Theories of Gravity; Cosmology of Theories beyond the SM; Spontaneous Symmetry Breaking; VELTMAN-ZAKHAROV DISCONTINUITY; FIELD-THEORY; SPIN-2; RANGE; SPACE;
D O I
10.1007/JHEP07(2011)009
中图分类号
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号
摘要
In this work we present a systematic construction of the potentially ghost-free non-linear massive gravity actions. The most general action can be regarded as a 2-parameter deformation of a minimal massive action. Further extensions vanish in 4 dimensions. The general mass term is constructed in terms of a "deformed" determinant from which this property can clearly be seen. In addition, our formulation identifies non-dynamical terms that appear in previous constructions and which do not contribute to the equations of motion. We elaborate on the formal structure of these theories as well as some of their implications.
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页数:22
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