Simulations of Quantum XXZ Models on Two-Dimensional Frustrated Lattices

Details Simulations of Quantum XXZ Models on Two-Dimensional Frustrated Lattices Simulations of Quantum XXZ Models on Two-Dimensional Frustrated Lattices

2006-08-01

arxiv.org/abs/cond-mat/0608038v1

J. Phys.: Condens. Matter 19, 145203 (2007)

Physics

Condensed Matter

Disordered Systems and Neural Networks

10 pages, 5 figures. Conference proceedings for Highly Frustrated Magnetism 2006

Scientific paper

10.1088/0953-8984/19/14/145203

We report recent progress in the study of a particular class of spin 1/2 XXZ model on two-dimensional lattices with frustrated diagonal and unfrustrated off-diagonal interactions. Quantum Monte Carlo simulations can be constructed without a sign problem, however they require non-trivial algorithmic advances in order to combat freezing tendencies. We discuss results obtained using these techniques, in particular the discovery of unusual bulk quantum phases, studies of quantum criticality, and the continuing search for exotic physics in these models.

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