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Recent data on a new method for producing ultracold molecular ions

Wade G. Rellergert, Scott T. Sullivan, Svetlana Kotochigova +3 more

Bulletin of the American Physical SocietyMay 28, 20100 citations

Towards producing ultracold CaNa + molecular ions in the ground electronic state

Marko Gacesa, John A. Jr. Montgomery, H. H. Michels +1 more

Bulletin of the American Physical SocietyJun 9, 20150 citations

Observation of Chemical Reactions between a Trapped Ion and Ultracold Feshbach Dimers

Henrik Hirzler, Rianne S. Lous, Eleanor Trimby +3 more

We measure chemical reactions between a single trapped ^{174}Yb^{+} ion and ultracold Li_{2} dimers. This produces LiYb^{+} molecular ions that we detect via mass spectrometry. We explain the reaction rates by modeling the dimer density as a function of the magnetic field and obtain excellent agreement when we assume the reaction to follow the Langevin rate. Our results present a novel approach towards the creation of cold molecular ions and point to the exploration of ultracold chemistry in ion molecule collisions. What is more, with a detection sensitivity below molecule densities of 10^{14} m^{-3}, we provide a new method to detect low-density molecular gases.We measure chemical reactions between a single trapped ^{174}Yb^{+} ion and ultracold Li_{2} dimers. This produces LiYb^{+} molecular ions that we detect via mass spectrometry. We explain the reaction rates by modeling the dimer density as a function of the magnetic field and obtain excellent agreement when we assume the reaction to follow the Langevin rate. Our results present a novel approach towards the creation of cold molecular ions and point to the exploration of ultracold chemistry in ion molecule collisions. What is more, with a detection sensitivity below molecule densities of 10^{14} m^{-3}, we provide a new method to detect low-density molecular gases.

arXiv:2110.14475Physical Review LettersMar 10, 202237 citations

Towards production of ultracold molecular ions in a hybrid trap system

Scott T. Sullivan, Wade G. Rellergert, Kuang Chen +3 more

Bulletin of the American Physical SocietyJun 6, 20120 citations

The Production and Study of Ultra-Cold Molecular Ions

D. Gerlich

IMPERIAL COLLEGE PRESS eBooksSep 1, 200835 citations

Method for producing ultracold molecular ions

Eric R. Hudson

We propose a method for the production of ultracold molecular ions. This method utilizes sympathetic cooling due to the strong collisions between appropriately chosen molecular ions and laser-cooled neutral atoms to realize ultracold internal ground-state molecular ions. In contrast to other experiments producing cold molecular ions, our proposed method efficiently cools both the internal and external molecular-ion degrees of freedom. The availability of an ultracold, absolute ground-state sample of molecular ions would have broad impact to fields as diverse as quantum chemistry, astrophysics, and fundamental physics and may lead to the development of a robust scalable quantum computer.We propose a method for the production of ultracold molecular ions. This method utilizes sympathetic cooling due to the strong collisions between appropriately chosen molecular ions and laser-cooled neutral atoms to realize ultracold internal ground-state molecular ions. In contrast to other experiments producing cold molecular ions, our proposed method efficiently cools both the internal and external molecular-ion degrees of freedom. The availability of an ultracold, absolute ground-state sample of molecular ions would have broad impact to fields as diverse as quantum chemistry, astrophysics, and fundamental physics and may lead to the development of a robust scalable quantum computer.

arXiv:0811.2452Physical Review AMar 31, 200971 citations

Preliminary results on a new method for producing ultracold molecular ions

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Preliminary results on a new method for producing ultracold molecular ions

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