Sympathetic cooling of trapped ions: A laser-cooled two-species nonneutral ion plasma

D. J. Larson, J. C. Bergquist, J. J. Bollinger, Wayne M. Itano, D. J. Wineland

Research output: Contribution to journalArticlepeer-review

312 Scopus citations

Abstract

Sympathetic cooling of trapped ions has been demonstrated in an experiment where Hg+198 ions were confined in a Penning ion trap with laser-cooled Be+9 ions. Hg+198 temperatures below 1 K were achieved. Ion plasma sizes, shapes, and rotation frequencies were measured. Dramatic changes in the Be+9 plasma were observed when the Hg+198 ions were introduced into the trap. These observations are consistent with the prediction of centrifugal separation for ions of different charge-to-mass ratios.

Original languageEnglish (US)
Pages (from-to)70-73
Number of pages4
JournalPhysical Review Letters
Volume57
Issue number1
DOIs
StatePublished - Jan 1 1986

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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