On the covariance of teleparallel gravity theories
Alexey GolovnevSt Petersburg National Research University of Information Technologies, Mechanics and Optics, Kronverkskiy pr. 49, Saint Petersburg, 197101, Russia,Tomi KoivistoNordita, KTH Royal Institute of Technology and Stockholm University, Roslagstullsbacken 23, SE-10691 Stockholm, Sweden,Marit SandstadNordita, KTH Royal Institute of Technology and Stockholm University, Roslagstullsbacken 23, SE-10691 Stockholm, Sweden,
2017en
ABI
Annotatsiya
The basics of teleparallel gravity and its extensions are reviewed with particular emphasis on the problem of Lorentz-breaking choice of connection in pure-tetrad versions of the theories. Various possible ways to covariantise such models are discussed. A by-product is a new form of $f(T)$ field equations.
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