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PhD opening at ENS of Lyon on dynamics of quantum entanglement in spinor gases

31 oct 2024 - 16:02 CET

PhD fellowship: Dynamics of quantum entanglement in spinor gases
 
The PhD project aims at the study of the high-dimensional entangled states that can be obtained using the native (contact and dipolar) interactions among bosonic atoms carrying a large spin. We shall study the generation of spin- as well as momentum-entangled states in Bose-Einstein condensates of spinor atoms, and investigate their use in entanglement-assisted quantum metrology. The theory project will be conducted in close collaboration with the experimental group of S. Nascimbène (Laboratoire Kastler-Brossel, Paris), working on Dy atoms [1,2]. The PhD candidate shall work with a variety of techniques, including Gaussian-state Ansätze [3]; their beyond-Gaussian generalization; and time-dependent variational Ansätze [4]. The PhD fellowship will be co-supervised by Tommaso Roscilde (tommaso.roscilde@ens-lyon.fr) and Fabio Mezzacapo (fabio.mezzacapo@ens-lyon.fr) at the Laboratoire de Physique, ENS de Lyon; and it is funded by a collaborative project, financed by the "Agence Nationale de la Recherche" of France. 
 
[1] T. Chalopin et al., Nature Comms. 9, 4955 (2018)
[2] T. Chalopin et al., Nature Phys. 16, 1017 (2020)
[3] R. Menu and T. Roscilde, SciPost Phys. 14, 151 (2023)
[4] T. Comparin, F. Mezzacapo, and T. Roscilde,  Phys. Rev. A 105, 022625 (2022)

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