Photoassociative production of ultracold heteronuclear YbLi* molecules

Richard Roy, Rajendra Shrestha, Alaina Green, Subhadeep Gupta, Ming Li, Svetlana Kotochigova, Alexander Petrov, and Chi Hong Yuen
Phys. Rev. A 94, 033413 – Published 14 September 2016

Abstract

We report on the production of ultracold heteronuclear YbLi* molecules in a dual-species magneto-optical trap by photoassociation (PA). The formation of the electronically excited molecules close to dissociation was observed by trap loss spectroscopy. We find 4 rovibrational states within a range of 250GHz below the Yb(S01)+Li(P1/22) asymptote and observe isotopic PA line shifts in mixtures of Li6 with Yb174, Yb172, and Yb176. We also describe our theoretical ab initio calculation for the relevant electronic potentials and utilize it to analyze and identify the lines in the experimentally observed spectrum.

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  • Received 9 June 2016

DOI:https://doi.org/10.1103/PhysRevA.94.033413

©2016 American Physical Society

Physics Subject Headings (PhySH)

Atomic, Molecular & Optical

Authors & Affiliations

Richard Roy, Rajendra Shrestha, Alaina Green, and Subhadeep Gupta

  • Department of Physics, University of Washington, Seattle, Washington 98195, USA

Ming Li and Svetlana Kotochigova

  • Department of Physics, Temple University, Philadelphia, Pennsylvania 19122, USA

Alexander Petrov

  • Department of Physics, Temple University, Philadelphia, Pennsylvania 19122, USA; NRC Kurchatov Institute PNPI, Gatchina, Leningrad district 188300, Russia; and Division of Quantum Mechanics, St. Petersburg State University, University Embankment 7-9, St. Petersburg, 199034, Russia

Chi Hong Yuen

  • Department of Physics, Temple University, Philadelphia, Pennsylvania 19122, USA and Department of Physics, University of Central Florida, Orlando, Florida 32816, USA

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Issue

Vol. 94, Iss. 3 — September 2016

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