Nieh-Yan Invariant and Fermions in Ashtekar-Barbero-Immirzi Formalism
| dc.creator | Mercuri, Simone | |
| dc.date | 2006-10-06 | |
| dc.date | 2007-03-09 | |
| dc.date.accessioned | 2026-07-07T07:50:48Z | |
| dc.date.available | 2026-07-07T07:50:48Z | |
| dc.description | In order to introduce an interaction between gravity and fermions in the Ashtekar-Barbero-Immirzi formalism without affecting classical dynamics a non-minimal term is necessary. The non-minimal term together with the Holst modification to the Hilbert-Palatini action reconstruct the Nieh-Yan invariant. As a consequence the Immirzi parameter, differently from the minimal coupling approach, does not affect the classical dynamics, which is described by the Einstein-Cartan action. | |
| dc.description | 3 pages, proceedings of the XI Marcel Grossmann meeting on Relativistic Astrophysics, July 23-29, 2006, Berlin, final version | |
| dc.identifier | https://arxiv.org/abs/gr-qc/0610026 | |
| dc.identifier | http://arxiv.org/abs/gr-qc/0610026 | |
| dc.identifier.uri | http://salesiana.dossiersoluciones.com/handle/123456789/125289 | |
| dc.subject | General Relativity and Quantum Cosmology | |
| dc.title | Nieh-Yan Invariant and Fermions in Ashtekar-Barbero-Immirzi Formalism | |
| dc.type | text |