Gravitational birefringence of light in Robertson-Walker cosmologies

C. Duval 1, 2 T. Schücker 1, 3
2 CPT - E2 Géométrie, Physique et Symétries
CPT - Centre de Physique Théorique - UMR 7332
3 CPT - E3 Cosmologie
CPT - Centre de Physique Théorique - UMR 7332
Abstract : The spacetime evolution of massless spinning particles in a Robertson-Walker background is derived using the deterministic system of equations of motion from Papapetrou, Souriau and Saturnini. A numerical integration of this system of differential equations in the case of the standard model of cosmology is performed. The deviation of the photon worldlines from the null geodesics is of the order of the wavelength. Perturbative solutions are also worked out in a more general case. An experimental measurement of this deviation would test the acceleration of our expanding Universe.
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Article dans une revue
Physical Review D, American Physical Society, 2017, 96 (4), 〈10.1103/PhysRevD.96.043517〉
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https://hal.archives-ouvertes.fr/hal-01376644
Contributeur : Thomas Schucker <>
Soumis le : mercredi 5 octobre 2016 - 13:53:49
Dernière modification le : mardi 29 août 2017 - 14:35:07

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C. Duval, T. Schücker. Gravitational birefringence of light in Robertson-Walker cosmologies. Physical Review D, American Physical Society, 2017, 96 (4), 〈10.1103/PhysRevD.96.043517〉. 〈hal-01376644〉

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