Please use this identifier to cite or link to this item: https://physrep.ff.bg.ac.rs/handle/123456789/268
Title: SO(2, 3) noncommutative gravity model
Authors: Dimitrijević-Ćirić, Marija 
Radovanović, Voja 
Keywords: 2nd order expansion;gauge theory of gravity;Seiberg-Witten map
Issue Date: 1-Jan-2014
Journal: Physics of Particles and Nuclei Letters
Abstract: 
In this paper the noncommutative gravity is treated as a gauge theory of the non-commutative SO(2, 3)★ group, while the noncommutativity is canonical. The Seiberg-Witten (SW) map is used to express noncommutative fields in terms of the corresponding commutative fields. The commutative limit of the model is the Einstein-Hilbert action plus the cosmological term and the topological Gauss-Bonnet term. We calculate the second order correction to this model and obtain terms that are zeroth, first,.. and fourth power of the curvature tensor. Finally, we discuss physical consequences of those correction terms in the limit of big cosmological constant.
URI: https://physrep.ff.bg.ac.rs/handle/123456789/268
ISSN: 1547-4771
DOI: 10.1134/S1547477114070152
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