Creation of two-dimensional Coulomb crystals of ions in oblate Paul traps for quantum simulations

We develop the theory to describe the equilibrium ion positions and phonon modes for a trapped ion quantum simulator in an oblate Paul trap that creates two-dimensional Coulomb crystals in a triangular lattice. By coupling the internal states of the ions to laser beams propagating along the symmetry...

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Bibliographic Details
Published inEPJ quantum technology Vol. 2; no. 1; p. 1
Main Authors Yoshimura, Bryce, Stork, Marybeth, Dadic, Danilo, Campbell, Wesley C, Freericks, James K
Format Journal Article
LanguageEnglish
Published Berlin/Heidelberg Springer Berlin Heidelberg 01.12.2015
Springer Nature B.V
Subjects
Nanotechnology and Microengineering
Physics
Physics and Astronomy
Quantum Information Technology
Quantum Physics
Quantum simulations
Spintronics
ion trap
quantum simulation
Ising model
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Summary:We develop the theory to describe the equilibrium ion positions and phonon modes for a trapped ion quantum simulator in an oblate Paul trap that creates two-dimensional Coulomb crystals in a triangular lattice. By coupling the internal states of the ions to laser beams propagating along the symmetry axis, we study the effective Ising spin-spin interactions that are mediated via the axial phonons and are less sensitive to ion micromotion. We find that the axial mode frequencies permit the programming of Ising interactions with inverse power law spin-spin couplings that can be tuned from uniform to with DC voltages. Such a trap could allow for interesting new geometrical configurations for quantum simulations on moderately sized systems including frustrated magnetism on triangular lattices or Aharonov-Bohm effects on ion tunneling. The trap also incorporates periodic boundary conditions around loops which could be employed to examine time crystals.
ISSN:2196-0763
2196-0763
DOI:10.1140/epjqt14