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25 April 2024 |
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Noncommutative Gauge Theory and Gravity in Three Dimensions | | Athanasios Chatzistavrakidis
; Larisa Jonke
; Danijel Jurman
; George Manolakos
; Pantelis Manousselis
; George Zoupanos
; | | Date: |
21 Feb 2018 | | Abstract: | The Einstein-Hilbert action in three dimensions and the transformation rules
for the dreibein and spin connection can be naturally described in terms of
gauge theory. In this spirit, we use covariant coordinates in noncommutative
gauge theory in order to describe 3D gravity in the framework of noncommutative
geometry. We consider 3D noncommutative spaces based on SU(2) and SU(1,1), as
foliations of fuzzy 2-spheres and fuzzy 2-hyperboloids respectively. Then we
construct a U(2)$ imes$ U(2) and a GL(2,$mathbb{C}$) gauge theory on them,
identifying the corresponding noncommutative vielbein and spin connection. We
determine the transformations of the fields and an action in terms of a matrix
model and discuss its relation to 3D gravity. | | Source: | arXiv, 1802.7550 | | Services: | Forum | Review | PDF | Favorites | |
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