Abstract

In this article we report on the recent experimental activities concerning the magneto-optics of quantum vacuum performed by our team based at the LNCMI of Toulouse. In particular, we will deal with quantum vacuum Cotton–Mouton and inverse Cotton–Mouton effects which have been predicted in the framework of Quantum electrodynamics. Finally, we will present our experiment on photon oscillations into massive particles in the presence of a magnetic field, an effect that could be a signature of physics beyond the standard model. Dans cet article, nous décrivons nos récentes activités de recherche sur lʼétude des effets magnéto-optiques du vide quantique, réalisées par notre équipe au LNCMI de Toulouse. En particulier, nous présenterons les effets Cotton–Mouton et Cotton–Mouton inverse du vide quantique qui ont été prédits dans le cadre de la théorie de lʼélectrodynamique quantique. Nous terminerons par la présentation de notre expérience sur la recherche dʼoscillations de photons en particules massives en présence dʼun champ magnétique, un effet qui pourrait être une signature de physique hors modèle standard.

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