Jul 17 – 22, 2022
Royal Conservatory of Music, Toronto
America/Toronto timezone

Zeeman-Sisyphus Deceleration of Polyatomic Molecules

Jul 20, 2022, 5:00 PM
1h 30m
Hart House (Hart House)

Hart House

Hart House

7 Hart House Cir, Toronto, ON M5S 3H3
Poster presentation Miscellaneous Poster session


Polyatomic molecules can provide improvement over diatomic systems in cold chemistry, precision measurement of fundamental physics, and quantum information. Slowing these species to trappable velocities is a major limitation in realizing these applications. Over the past decade, radiative slowing methods have been successfully applied to diatomic and, recently, triatomic molecules with highly diagonal Frank-Condon factors. Alternative slowing methods are needed for molecules that are less favorable for scattering the ~10,000 photons required for radiative slowing. Here we present a superconducting-magnet-based Zeeman-Sisyphus decelerator that requires fewer than 10 photon scatters to slow molecules to velocities suitable for loading a MOT, magnetic, or electric trap. We describe the design considerations, apparatus construction, and application of the slower to both CaOH and YbOH molecular beams. We also discuss the generalizability of this slowing method to increasingly complex molecular species.

Presenter name Alexander Frenett
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Primary authors

Alexander Frenett (Harvard University) Hiromitsu Sawaoka (Harvard University) Abdullah Nasir (Harvard University) Nathaniel Vilas (Harvard University) Christian Hallas (Harvard University) Zack Lasner (Harvard University) Benjamin Augenbraun (Harvard University) John Doyle (Harvard University)

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