Bulletin of the American Physical Society
52nd Annual Meeting of the APS Division of Atomic, Molecular and Optical Physics
Volume 66, Number 6
Monday–Friday, May 31–June 4 2021; Virtual; Time Zone: Central Daylight Time, USA
Session X08: Collisions, Reactions, and Field Control of Cold and Ultracold Molecules
8:00 AM–10:00 AM,
Friday, June 4, 2021
Chair: Timur Tscherbul, University of Nevada, Reno
Abstract: X08.00009 : AC stark shift of NH3 Induced by Strong Microwave Fields*
9:36 AM–9:48 AM
Live
Presenter:
Manish Vashishta
(University of British Columbia)
Author:
Manish Vashishta
(University of British Columbia)
University of British Columbia1, Vancouver, Canada
University of Tayoma2, Japan
Manipulating the ground rotational state of a polar molecules still remains a challenge. The ground rotational state of a polar molecule is always a high field seeking state in DC fields and hence, challenging to be manipulated using DC Stark decelerator and static traps. Development of a microwave trap will enable us to trap the ground state of polar polyatomic molecules [1]. These ground state molecules are best suited for sympathetic cooling with ultra-cold atomic gases due to their low losses during the thermalization process.
In this work, we demonstrated that an unloaded quality factor of up to 1.1 × 106 at 24.087 GHz was achieved in a Fabry-Perot cavity coated with a superconducting material when cooled to 2.24 K [2]. With such strong microwave fields, we have detected the AC Stark shift of the |J, K >= |1, 1 > rotational levels of NH3. Experimental details and their results will be discussed.
*NSERC, CRUCS
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