Exploring spin-orbital models with dipolar fermions in zigzag optical lattices

G. Sun, G. Jackeli, L. Santos, and T. Vekua
Phys. Rev. B 86, 155159 – Published 31 October 2012

Abstract

Ultracold dipolar spinor fermions in zig-zag–type optical lattices can mimic spin-orbital models relevant in solid-state systems, as transition-metal oxides with partially filled d levels, with the interesting advantage of reviving the quantum nature of orbital fluctuations. We discuss two different physical systems in which these models may be simulated, showing that the interplay between lattice geometry and spin-orbital quantum dynamics produces a wealth of novel quantum phases.

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  • Received 21 December 2011

DOI:https://doi.org/10.1103/PhysRevB.86.155159

©2012 American Physical Society

Authors & Affiliations

G. Sun1, G. Jackeli2,*, L. Santos1, and T. Vekua1

  • 1Institut für Theoretische Physik, Leibniz Universität Hannover, 30167 Hannover, Germany
  • 2Max-Planck-Institut für Festkörperforschung, Heisenbergstrasse 1, D-70569 Stuttgart, Germany

  • *Also at Andronikashvili Institute of Physics, 0177 Tbilisi, Georgia.

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Issue

Vol. 86, Iss. 15 — 15 October 2012

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