Frustrated quantum spin models with cold coulomb crystals

A. Bermudez*, J. Almeida, F. Schmidt-Kaler, A. Retzker, M. B. Plenio

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

36 Scopus citations

Abstract

We exploit the geometry of a zigzag cold-ion crystal in a linear trap to propose the quantum simulation of a paradigmatic model of long-ranged magnetic frustration. Such a quantum simulation would clarify the complex features of a rich phase diagram that presents ferromagnetic, dimerized-antiferromagnetic, paramagnetic, and floating phases, together with previously unnoticed features that are hard to assess by numerics. We analyze in detail its experimental feasibility, and provide supporting numerical evidence on the basis of realistic parameters in current ion-trap technology.

Original languageAmerican English
Article number207209
JournalPhysical Review Letters
Volume107
Issue number20
DOIs
StatePublished - 11 Nov 2011
Externally publishedYes

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