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High Energy Physics - Theory

arXiv:1807.01249 (hep-th)
[Submitted on 3 Jul 2018 (v1), last revised 4 Jul 2018 (this version, v2)]

Title:Axial gravity: a non-perturbative approach to split anomalies

Authors:L. Bonora, M. Cvitan, P. Dominis Prester, S. Giaccari, M. Paulisic, T. Stemberga
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Abstract:In a theory of a Dirac fermion field coupled to a metric-axial-tensor (MAT) background, using a Schwinger-DeWitt heat kernel technique, we compute non-perturbatively the two (odd parity) trace anomalies. A suitable collapsing limit of this model corresponds to a theory of chiral fermions coupled to (ordinary) gravity. Taking this limit on the two computed trace anomalies we verify that they tend to the same expression, which coincides with the already found odd parity trace anomaly, with the identical coefficient. This confirms our previous results on this issue.
Comments: 43 pages, some additions in section 6.3 and 6.5 plus minor corrections
Subjects: High Energy Physics - Theory (hep-th)
Report number: SISSA/26/2018/FISI, ZTF-EP-18-02
Cite as: arXiv:1807.01249 [hep-th]
  (or arXiv:1807.01249v2 [hep-th] for this version)
  https://doi.org/10.48550/arXiv.1807.01249
Related DOI: https://doi.org/10.1140/epjc/s10052-018-6141-1

Submission history

From: Loriano Bonora [view email]
[v1] Tue, 3 Jul 2018 15:48:38 UTC (37 KB)
[v2] Wed, 4 Jul 2018 18:39:54 UTC (38 KB)
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