Primordial torsion fields as an explanation of the anisotropy in cosmological electromagnetic propagation

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dc.creatorDobado, Antonio
dc.creatorMaroto, Antonio L.
dc.date1997-06-04
dc.date1997-07-18
dc.date.accessioned2026-07-07T12:01:05Z
dc.date.available2026-07-07T12:01:05Z
dc.descriptionIn this note we provide a simple explanation of the recent finding of anisotropy in electromagnetic (EM) propagation claimed by Nodland and Ralston (astro-ph/9704196). We consider, as a possible origin of such effect, the effective coupling between EM fields and some tiny background torsion field. The coupling is obtained after integrating out charged fermions, it is gauge invariant and does not require the introduction of any new physics.
dc.description8 pages, LaTeX, one figure, enlarged version with minor corrections
dc.identifierhttps://arxiv.org/abs/astro-ph/9706044
dc.identifierhttp://arxiv.org/abs/astro-ph/9706044
dc.identifierMod.Phys.Lett.A12:3003-3007,1997
dc.identifierdoi:10.1142/S0217732397003125
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/206987
dc.subjectAstrophysics
dc.subjectGeneral Relativity and Quantum Cosmology
dc.subjectHigh Energy Physics - Phenomenology
dc.titlePrimordial torsion fields as an explanation of the anisotropy in cosmological electromagnetic propagation
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