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On the renormalization of Poincar\'e gauge theories
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Poincar\'e Gauge Theories are a class of Metric-Affine Gravity theories with a metric-compatible (i.e. Lorentz) connection and with an action quadratic in curvature and torsion. We perform an explicit one-loop calculation starting with a single term of each type and show that not only are all other terms generated, but also many others. In our particular model all terms containing torsion are redundant and can be eliminated by field redefinitions, but there remains a new term quadratic in curvature, making the model non-renormalizable. We discuss the likely behavior of more general theories of this type.
Forward citations
Cited by 2 Pith papers
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Infrared foundations for quantum geometry II: Catalogue of all torsion-like theories including new ghost-tachyon-free cases
A systematic catalogue of symmetric pair-antisymmetric rank-three field theories yields 22 ghost-tachyon-free models, all propagating vector torsion and none propagating scalar or pseudoscalar torsion.
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Infrared foundations for quantum geometry I: Catalogue of totally symmetric rank-three field theories
The authors systematically catalogue gauge-symmetric quadratic actions for a totally symmetric rank-three field, finding five unitary models that propagate massless spin-1, spin-3, or both.
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