Covariant Lagrange multiplier constrained higher derivative gravity with scalar projectors

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Authors	KLUSOŇ Josef NOJIRI Shin'ichi ODINTSOV Sergei
Year of publication	2011
Type	Article in Periodical
Magazine / Source	Physics Letters B
MU Faculty or unit	Faculty of Science
Citation
Web	http://dx.doi.org/10.1016/j.physletb.2011.05.025
Doi	http://dx.doi.org/10.1016/j.physletb.2011.05.025
Field	Theoretical physics
Keywords	Higher derivative gravity
Description	We formulate higher derivative gravity with Lagrange multiplier constraint and scalar projectors. Its gauge-fixed formulation as well as vector fields formulation is developed and corresponding spontaneous Lorentz symmetry breaking is investigated. We show that the only propagating mode is higher derivative graviton while scalar and vector modes do not propagate. Despite to higher derivatives structure of the action, its first FRW equation is the first order differential equation which admits the inflationary universe solution.
Related projects:	Mathematical structures and their physical applications