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Article Dans Une Revue Journal of Physics B: Atomic, Molecular and Optical Physics Année : 2021

A versatile ring trap for quantum gases

Résumé

We report on the confinement of a Bose-Einstein condensate in an annular trap with widely tunable parameters. The trap relies on a combination of magnetic, optical and radio-frequency fields. The loading procedure is discussed. We present annular traps with radii adjusted between 20 and 150 micrometers. We demonstrate the preparation of persistent flows both with a rotating laser stirrer and with a global quadrupole deformation of the ring. Our setup is well adapted for the study of superfluid dynamics.
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Dates et versions

hal-03181695 , version 1 (25-03-2021)
hal-03181695 , version 2 (09-07-2021)

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Mathieu de Goër de Herve, Yanliang Guo, Camilla de Rossi, Avinash Kumar, Thomas Badr, et al.. A versatile ring trap for quantum gases. Journal of Physics B: Atomic, Molecular and Optical Physics, 2021. ⟨hal-03181695v2⟩
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