Reviews of topical problems

Infrared-modified gravities and massive gravitons

 a,  a, b
a Institute for Nuclear Research, Russian Academy of Sciences, prosp. 60-letiya Oktyabrya 7a, Moscow, 117312, Russian Federation
b Service de Physique Théorique, Université Libre de Bruxelles, CP225, bld. du Triomphe, Bruxelles, B-1050, Belgium

We review some theoretical and phenomenological aspects of massive gravities in 4 dimensions. We start from the Fierz-Pauli theory with Lorentz-invariant mass terms and then proceed to Lorentz-violating masses. Unlike the former theory, some models with Lorentz violation have no pathologies in the spectrum in flat and nearly flat backgrounds and lead to an interesting phenomenology.

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Fulltext is also available at DOI: 10.1070/PU2008v051n08ABEH006600
PACS: 04.50.+h, 11.10.Lm, 95.35.+d (all)
DOI: 10.1070/PU2008v051n08ABEH006600
Citation: Rubakov V A, Tinyakov P G "Infrared-modified gravities and massive gravitons" Phys. Usp. 51 759–792 (2008)
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Оригинал: Рубаков В А, Тиняков П Г «Модификация гравитации на больших расстояниях и массивный гравитон» УФН 178 785–822 (2008); DOI: 10.3367/UFNr.0178.200808a.0785

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