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Cosmological perturbations in modified teleparallel gravity models
St Petersburg State Univ, Fac Phys, D 1, St Petersburg 198504, Russia.;St Petersburg Natl Res Univ Informat Technol Mech, Kronverkskiy Pr 49, St Petersburg 197101, Russia..
KTH, Centres, Nordic Institute for Theoretical Physics NORDITA. Stockholm Univ, Roslagstullsbacken 23, SE-10691 Stockholm, Sweden.;NICPB, Ravala Pst 10, EE-10143 Tallinn, Estonia..ORCID iD: 0000-0002-9403-8565
2018 (English)In: Journal of Cosmology and Astroparticle Physics, ISSN 1475-7516, E-ISSN 1475-7516, no 11, article id 012Article in journal (Refereed) Published
Abstract [en]

Cosmological perturbations are considered in f (T) and in scalar-torsion f (phi) 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.

Place, publisher, year, edition, pages
IOP PUBLISHING LTD , 2018. no 11, article id 012
Keywords [en]
cosmological perturbation theory, modified gravity, dark energy theory
National Category
Astronomy, Astrophysics and Cosmology
Identifiers
URN: urn:nbn:se:kth:diva-239806DOI: 10.1088/1475-7516/2018/11/012ISI: 000450240200001Scopus ID: 2-s2.0-85057624846OAI: oai:DiVA.org:kth-239806DiVA, id: diva2:1275886
Note

QC 20190107

Available from: 2019-01-07 Created: 2019-01-07 Last updated: 2019-01-07Bibliographically approved

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Koivisto, Tomi S.

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