Resonant oscillation modes of sympathetically cooled ions in a radio-frequency trap

Taro Hasegawa, Tadao Shimizu

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

The dynamics of sympathetically cooled ions, which were characterized by a resonant frequency in the time-averaged pseudopotential of the radio frequency trap, was studied. The ion trap consisted of one ring and two endcap electrodes of hyperboloid of revolution. It was found that the resonant frequency of the sympathetically cooled heavier ion species was larger than that of the pure ion without 24Mg+ present. The observed results were explained by the theoretical model, in which the ion system was treated with the composition of a host ion cloud and a single guest ion, and interaction between them was taken into account.

Original languageEnglish
Article number063404
Pages (from-to)634041-634045
Number of pages5
JournalPhysical Review A - Atomic, Molecular, and Optical Physics
Volume66
Issue number6
Publication statusPublished - 2002 Dec
Externally publishedYes

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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