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Polarized backgrounds of relic gravitons
The polarizations of the tensor modes of the geometry evolving in cosmological backgrounds are treated as the components of a bispinor whose dynamics follows from an appropriate gauge-invariant action. This novel framework is closely analog to the (optical) Jones calculus and leads to a compact clas...
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| Lenguaje: | eng |
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2018
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| Acceso en línea: | https://dx.doi.org/10.1103/PhysRevD.99.083501 http://cds.cern.ch/record/2652185 |