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BibTex format

@article{de:2016:10.1007/JHEP04(2016)188,
author = {de, Rham C and Tolley, AJ and Zhou, SY},
doi = {10.1007/JHEP04(2016)188},
journal = {Journal of High Energy Physics},
title = {The Λ2 limit of massive gravity},
url = {http://dx.doi.org/10.1007/JHEP04(2016)188},
volume = {2016},
year = {2016}
}

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TY  - JOUR
AB  - Lorentz-invariant massive gravity is usually associated with a strong couplingscale Λ3. By including non-trivial effects from the St¨uckelberg modes, we show that aboutthese vacua, one can push the strong coupling scale to higher values and evade the linearvDVZ-discontinuity. For generic parameters of the theory and generic vacua for theSt¨uckelberg fields, the Λ2-decoupling limit of the theory is well-behaved and free of anyghost or gradient-like instabilities. We also discuss the implications for nonlinear sigmamodels with Lorentzian target spaces.
AU  - de,Rham C
AU  - Tolley,AJ
AU  - Zhou,SY
DO  - 10.1007/JHEP04(2016)188
PY  - 2016///
SN  - 1126-6708
TI  - The Λ2 limit of massive gravity
T2  - Journal of High Energy Physics
UR  - http://dx.doi.org/10.1007/JHEP04(2016)188
UR  - http://hdl.handle.net/10044/1/48132
VL  - 2016
ER  -

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Prof. Andrew J. Tolley

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