Gauge theory models on -Minkowski space: Results and prospects
arXiv:2203.12706 · doi:10.22323/1.406.0286
Abstract
Recent results obtained in -Poincaré invariant gauge theories on -Minkowski space are reviewed and commented. A Weyl quantization procedure can be applied to convolution algebras to derive a convenient star product. For such a star product, gauge invariant polynomial action functional depending on the curvature exists only in 5 dimensions. The corresponding noncommutative differential calculus and the related connection are twisted together with the BRST structure linked to the gauge invariance. Phenomenological consequences stemming from the existence of one extra dimension are commented. Some consequences of the appearance of a non-vanishing one-loop tadpole upon BRST gauge-fixing are discussed.
arXiv comment28 pages. From a talk given at the "Workshop on Quantum Geometry, Field Theory and Gravity", Corfu, Sep 20 - Sep 27, 2021
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