Measurements of the dipole moments of cesium Rydberg-ground molecules

Jianming Zhao; Jingxu Bai; Suying Bai; Suotang Jia

doi:10.1117/12.2552625

25 February 2020 Measurements of the dipole moments of cesium Rydberg-ground molecules

Jianming Zhao, Jingxu Bai, Suying Bai, Suotang Jia

Proceedings Volume 11296, Optical, Opto-Atomic, and Entanglement-Enhanced Precision Metrology II; 1129608 (2020) https://doi.org/10.1117/12.2552625
Event: SPIE OPTO, 2020, San Francisco, California, United States

Abstract

The ultralong-range Cs₂ Rydberg molecules consisting of a Rydberg, nD_5/2 ( principal quantum number n =35-38), and a ground state atom, 6S_1/2 (F=4) are prepared by a two-photon photoassociation spectroscopy in an ultracold Cs gas. This kind of molecule is bound with the low energy scattering and has a permanent dipole moment. We observe two Rydberg-ground state molecular spectra, one is deep-bound molecule, ^TΣ state, bound by triplet s-wave scattering length and the other one is shallow-bound molecule, ^S,TΣ state, bound by mixed singlet-triplet s-wave scattering length. The binding energy of Rydberg-ground molecules are attained by analyzing the two photon photoassociation spectrum, corresponding permanent dipole moment is measured by applying an external electric field, which is compared to the calculation.

Citation Download Citation

Jianming Zhao, Jingxu Bai, Suying Bai, and Suotang Jia "Measurements of the dipole moments of cesium Rydberg-ground molecules", Proc. SPIE 11296, Optical, Opto-Atomic, and Entanglement-Enhanced Precision Metrology II, 1129608 (25 February 2020); https://doi.org/10.1117/12.2552625

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