@article{Baccetti2012,
	abstract = {We consider the effective stress-energy tensors for the foreground and background sectors in ghost-free bimetric gravity. By considering the symmetries of the theory, we show that the foreground and background null energy conditions (NECs) are strongly anti-correlated. In particular, the NECs can only be simultaneously fulfilled when they saturate, corresponding to foreground and background cosmological constants. In all other situations, either the foreground or the background is subject to a NEC-violating contribution to the total stress-energy. {\copyright} SISSA 2012.},
	art_number = {148},
	author = {Baccetti, V. and Martin-Moruno, P. and Visser, M.},
	date-added = {2019-03-18 11:59:12 +1100},
	date-modified = {2019-03-18 11:59:12 +1100},
	doi = {10.1007/JHEP08(2012)148},
	journal = {Journal of High Energy Physics},
	number = {8},
	title = {Null energy condition violations in bimetric gravity},
	url_link = {https://www.scopus.com/inward/record.uri?eid=2-s2.0-84865783185&doi=10.1007%2fJHEP08%282012%29148&partnerID=40&md5=cbe2229db2fee8b2f6fae350a52f64dd},
	volume = {2012},
	year = {2012},
	Bdsk-Url-1 = {https://www.scopus.com/inward/record.uri?eid=2-s2.0-84865783185&doi=10.1007%2fJHEP08%282012%29148&partnerID=40&md5=cbe2229db2fee8b2f6fae350a52f64dd},
	Bdsk-Url-2 = {https://doi.org/10.1007/JHEP08(2012)148}}

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