Please use this identifier to cite or link to this item: https://physrep.ff.bg.ac.rs/handle/123456789/72
Title: Noncommutative electrodynamics from SO(2 , 3) <inf>⋆</inf> model of noncommutative gravity
Authors: Dimitrijević-Ćirić, Marija 
Gočanin, Dragoljub 
Konjik, Nikola 
Radovanović, Voja 
Keywords: NC electrodynamics;NC Landau levels;NC [InlineEquation not available: see fulltext.] gravity
Issue Date: 1-Jul-2018
Journal: European Physical Journal C
Abstract: 
In our previous work we have constructed a model of noncommutative (NC) gravity based on SO(2 , 3) ⋆ gauge symmetry. In this paper we extend the model by adding matter fields: fermions and a U(1) gauge field. Using the enveloping algebra approach and the Seiberg–Witten map we construct actions for these matter fields and expand the actions up to first order in the noncommutativity (deformation) parameter. Unlike in the case of pure NC gravity, first non-vanishing NC corrections are linear in the noncommutativity parameter. In the flat space–time limit we obtain a non-standard NC Electrodynamics. Finally, we discuss effects of noncommutativity on relativistic Landau levels of an electron in a constant background magnetic field and in addition we calculate the induced NC magnetic dipole moment of the electron.
URI: https://physrep.ff.bg.ac.rs/handle/123456789/72
ISSN: 1434-6044
DOI: 10.1140/epjc/s10052-018-6015-6
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