Cosmological perturbations in modified teleparallel gravity models
Alexey GolovnevFaculty of Physics, St. Petersburg State University, Ulyanovskaya ul., d. 1, Saint Petersburg 198504, RussiaTomi KoivistoNational Institute of Chemical Physics and Biophysics, Rävala pst. 10, 10143 Tallinn, Estonia
2018en
ABI
Annotatsiya
Cosmological perturbations are considered in $f(T)$ and in scalar-torsion $f(\varphi)T$ teleparallel models of gravity. Full sets of linear perturbation equations are accurately derived and analysed at the relevant limits. Interesting features of generalisations to other teleparallel models, spatially curved backgrounds, and rotated tetrads are pointed out.
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