The linear-zigzag structural transition in cold ion chains

S Fishman; D Podolsky; E Shimshoni; P Silvi; Tommaso Calarco; Simone Montangero; Giovanna Morigi

doi:10.3254/978-1-61499-526-5-103

The linear-zigzag structural transition in cold ion chains

S Fishman, D Podolsky, E Shimshoni, P Silvi, Tommaso Calarco, Simone Montangero, Giovanna Morigi

Department of Physics

Research output: Chapter in Book/Report/Conference proceeding › Chapter › peer-review

Abstract

A chain of singly charged particles confined by a harmonic potential exhibits a structural transition to a zigzag configuration when the radial potential frequency is at a critical value, which depends on the particle number. This structural change is a phase transition of second order, whose order parameter is the ions' transverse displacement from the chain axis. The transition is driven by transverse, short-wavelength vibrational modes. At ultra-low temperatures the linear-zigzag instability is a quantum phase transition of the same universality class of Ising models.

Original language	English
Title of host publication	Ion traps for tomorrow's applications
Editors	Martina Knoop, Irene Marzoli, Giovanna Morigi
Publisher	IOS Press
Pages	103-114
Number of pages	12
Volume	189
ISBN (Electronic)	978-1-61499-526-5
ISBN (Print)	978-1-61499-525-8
DOIs	https://doi.org/10.3254/978-1-61499-526-5-103
State	Published - 2015

Publication series

Name	Proceedings of the International School of Physics "Enrico Fermi"

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10.3254/978-1-61499-526-5-103

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Fishman, S., Podolsky, D., Shimshoni, E., Silvi, P., Calarco, T., Montangero, S., & Morigi, G. (2015). The linear-zigzag structural transition in cold ion chains. In M. Knoop, I. Marzoli, & G. Morigi (Eds.), Ion traps for tomorrow's applications (Vol. 189, pp. 103-114). Article 4 (Proceedings of the International School of Physics "Enrico Fermi"). IOS Press. https://doi.org/10.3254/978-1-61499-526-5-103

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Fishman, S, Podolsky, D, Shimshoni, E, Silvi, P, Calarco, T, Montangero, S & Morigi, G 2015, The linear-zigzag structural transition in cold ion chains. in M Knoop, I Marzoli & G Morigi (eds), Ion traps for tomorrow's applications. vol. 189, 4, Proceedings of the International School of Physics "Enrico Fermi", IOS Press, pp. 103-114. https://doi.org/10.3254/978-1-61499-526-5-103

The linear-zigzag structural transition in cold ion chains. / Fishman, S; Podolsky, D; Shimshoni, E et al.
Ion traps for tomorrow's applications. ed. / Martina Knoop; Irene Marzoli; Giovanna Morigi. Vol. 189 IOS Press, 2015. p. 103-114 4 (Proceedings of the International School of Physics "Enrico Fermi").

Research output: Chapter in Book/Report/Conference proceeding › Chapter › peer-review

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AU - Montangero, Simone

AU - Morigi, Giovanna

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A2 - Marzoli, Irene

A2 - Morigi, Giovanna

PB - IOS Press

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The linear-zigzag structural transition in cold ion chains

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