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Electromagnetism and hidden vector fields in modified gravity theories: spontaneous and induced vectorization
In general relativity, Maxwell’s equations are embedded in curved spacetime through the minimal prescription, but this could change if strong-gravity modifications are present. We show that with a nonminimal coupling between gravity and a massless vector field, nonperturbative effects can arise in c...
| Autores principales: | , , |
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| Lenguaje: | eng |
| Publicado: |
2019
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| Materias: | |
| Acceso en línea: | https://dx.doi.org/10.1103/PhysRevD.99.044038 http://cds.cern.ch/record/2653709 |