Two-photon optical shielding of collisions between ultracold polar molecules

Fuente: arXiv
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Main Authors: Karam, Charbel, Borgloh, Mara Meyer zum Alten, Vexiau, Romain, Lepers, Maxence, Ospelkaus, Silke, Bouloufa-Maafa, Nadia, Karpa, Leon, Dulieu, Olivier
Format: Preprint
Published: 2022
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author Karam, Charbel
Borgloh, Mara Meyer zum Alten
Vexiau, Romain
Lepers, Maxence
Ospelkaus, Silke
Bouloufa-Maafa, Nadia
Karpa, Leon
Dulieu, Olivier
author_facet Karam, Charbel
Borgloh, Mara Meyer zum Alten
Vexiau, Romain
Lepers, Maxence
Ospelkaus, Silke
Bouloufa-Maafa, Nadia
Karpa, Leon
Dulieu, Olivier
contents 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.
format Preprint
id arxiv_https___arxiv_org_abs_2211_08950
institution arXiv
publishDate 2022
record_format arxiv
spellingShingle Two-photon optical shielding of collisions between ultracold polar molecules
Karam, Charbel
Borgloh, Mara Meyer zum Alten
Vexiau, Romain
Lepers, Maxence
Ospelkaus, Silke
Bouloufa-Maafa, Nadia
Karpa, Leon
Dulieu, Olivier
Quantum Physics
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.
title Two-photon optical shielding of collisions between ultracold polar molecules
topic Quantum Physics
url https://arxiv.org/abs/2211.08950