The Spectrum of Teleparallel Gravity

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http://hdl.handle.net/10138/301323

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Koivisto , T & Tsimperis , G 2019 , ' The Spectrum of Teleparallel Gravity ' , Wszechswiat , vol. 5 , no. 3 , 80 . https://doi.org/10.3390/universe5030080

Title: The Spectrum of Teleparallel Gravity
Author: Koivisto, Tomi; Tsimperis, Georgios
Contributor: University of Helsinki, Helsinki Institute of Physics
Date: 2019-03-14
Language: eng
Number of pages: 9
Belongs to series: Wszechswiat
ISSN: 0043-9592
URI: http://hdl.handle.net/10138/301323
Abstract: The observer's frame is the more elementary description of the gravitational field than the metric. The most general covariant, even-parity quadratic form for the frame field in arbitrary dimension generalises the New General Relativity by nine functions of the d'Alembertian operator. The degrees of freedom are clarified by a covariant derivation of the propagator. The consistent and viable models can incorporate an ultra-violet completion of the gravity theory, an additional polarisation of the gravitational wave, and the dynamics of a magnetic scalar potential.
Subject: teleparallel theory of gravity
nonlocal theories of gravity
115 Astronomy, Space science
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