Baccetti, Valentina; Martin-Moruno, Prado; Visser, Matt Null energy condition violations in bimetric gravity. (English) Zbl 1397.83093 J. High Energy Phys. 2012, No. 8, Paper No. 148, 14 p. (2012). MSC: 83D05 83C57 PDFBibTeX XMLCite \textit{V. Baccetti} et al., J. High Energy Phys. 2012, No. 8, Paper No. 148, 14 p. (2012; Zbl 1397.83093) Full Text: DOI arXiv
Baccetti, Valentina; Martin-Moruno, Prado; Visser, Matt Gordon and Kerr-Schild ansätze in massive and bimetric gravity. (English) Zbl 1397.83092 J. High Energy Phys. 2012, No. 8, Paper No. 108, 19 p. (2012). MSC: 83D05 83C57 PDFBibTeX XMLCite \textit{V. Baccetti} et al., J. High Energy Phys. 2012, No. 8, Paper No. 108, 19 p. (2012; Zbl 1397.83092) Full Text: DOI arXiv