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Article Dans Une Revue Phys.Rev.Res. Année : 2023

Two-photon optical shielding of collisions between ultracold polar molecules

Résumé

We propose a method to engineer repulsive long-range interactions between ultracold ground-state molecules using optical fields, thus preventing short-range collisional losses. It maps the microwave coupling recently used for collisional shielding onto a two-photon transition, and takes advantage of optical control techniques. In contrast to one-photon optical shielding [Phys. Rev. Lett. 125, 153202 (2020)], this scheme avoids heating of the molecular gas due to photon scattering. The proposed protocol, exemplified for 23Na39K, should be applicable to a large class of polar diatomic molecules.
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Dates et versions

hal-03882724 , version 1 (08-09-2023)

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Charbel Karam, Romain Vexiau, Nadia Bouloufa-Maafa, Olivier Dulieu, Maxence Lepers, et al.. Two-photon optical shielding of collisions between ultracold polar molecules. Phys.Rev.Res., 2023, 5 (3), pp.033074. ⟨10.1103/PhysRevResearch.5.033074⟩. ⟨hal-03882724⟩
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