The chiral torsional anomaly and the Nieh-Yan invariant with and without boundaries
Abstract There exists a long-standing debate regarding the torsion contribution to the 4d chiral anomaly of a Dirac fermion. Central to this debate is the Nieh-Yan anomaly, which has been considered ill-defined and a regularization artifact. Using a heat-kernel approach, we examine the relationship...
| Main Authors: | , , , |
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| Format: | Article |
| Jezik: | English |
| Izdano: |
SpringerOpen
2024-12-01
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| Serija: | Journal of High Energy Physics |
| Teme: | |
| Online dostop: | https://doi.org/10.1007/JHEP12(2024)149 |