Conformal symmetry, anomaly and effective action for metric-scalar gravity with torsion

DOI10.1016/S0370-2693(00)00342-7zbMATH Open0960.83030arXivgr-qc/9907081MaRDI QIDQ5930270

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Publication date: 18 April 2001

Published in: (Search for Journal in Brave)

Abstract: We consider some aspects of conformal symmetry in a metric-scalar-torsion system. It is shown that, for some special choice of the action, torsion acts as a compensating field and the full theory is conformally equivalent to General Relativity on classical level. Due to the introduction of torsion, this equivalence can be provided for the positively-defined gravitational and scalar actions. One-loop divergences arising from the scalar loop are calculated and both the consequent anomaly and the anomaly-induced effective action are derived.

Full work available at URL: https://arxiv.org/abs/gr-qc/9907081

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