Observation of power-law scaling for phase transitions in linear trapped ion crystals

D. G. Enzer, M. M. Schauer, J. J. Gomez, M. S. Gulley, M. H. Holzscheiter, P. G. Kwiat, S. K. Lamoreaux, C. G. Peterson, V. D. Sandberg, D. Tupa, A. G. White, R. J. Hughes, D. F.V. James

Research output: Contribution to journalArticlepeer-review

Abstract

We report an experimental confirmation of the power-law relationship between the critical anisotropy parameter and ion number for the linear-to-zigzag phase transition in an ionic crystal. Our experiment uses laser cooled calcium ions confined in a linear radio-frequency trap. Measurements for up to ten ions are in good agreement with theoretical and numeric predictions. Implications on an upper limit to the size of data registers in ion trap quantum computers are discussed.

Original languageEnglish (US)
Pages (from-to)2466-2469
Number of pages4
JournalPhysical review letters
Volume85
Issue number12
DOIs
StatePublished - Sep 18 2000
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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