Observation of Cold Collisions between Trapped Ions and Trapped Atoms

Grier, Andrew T, Cetina, Marko, Oručević, Fedja and Vuletić, Vladan (2009) Observation of Cold Collisions between Trapped Ions and Trapped Atoms. Physical Review Letters, 102 (22). p. 223201.

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Abstract

We study cold collisions between trapped ions and trapped atoms in the semiclassical (Langevin) regime. Using Yb+ ions confined in a Paul trap and Yb atoms in a magneto-optical trap, we investigate charge-exchange collisions of several isotopes over three decades of collision energies down to 3 eV (kB35 mK). The minimum measured rate coefficient of 610-10 cm3 s-1 is in good agreement with that derived from a Langevin model for an atomic polarizability of 143 a.u.

Item Type: Article
Schools and Departments: School of Mathematical and Physical Sciences > Physics and Astronomy
Depositing User: Fedja Orucevic
Date Deposited: 06 Feb 2012 18:56
Last Modified: 07 Mar 2017 07:42
URI: http://sro.sussex.ac.uk/id/eprint/18969

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