Geometric frustration effects were studied systematically with the Ising antiferromagnet on the 11 Archimedean lattices using the Monte Carlo methods. The Wang-Landau algorithm for static properties (specific heat and residual entropy) and the Metropolis algorithm for a freezing order parameter were adopted. The exact residual entropy was also found. Based on the degree of frustration and dynamic properties, ground states of them were determined. The Shastry-Sutherland lattice and the trellis lattice are weakly frustrated and have two- and one-dimensional long-range-ordered ground states, respectively. The bounce, maple-leaf, and star lattices have the spin ice phase. The spin liquid phase appears in the triangular and kagome lattices.
机构:
CRISMAT, 6 Bvd Marechal Juin, F-14050 Caen, France
Univ Paris Saclay, CEA CNRS UMR12, Lab Leon Brillouin, F-91191 Gif Sur Yvette, FranceCRISMAT, 6 Bvd Marechal Juin, F-14050 Caen, France
Matsubara, N.
Petit, S.
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机构:
Univ Paris Saclay, CEA CNRS UMR12, Lab Leon Brillouin, F-91191 Gif Sur Yvette, FranceCRISMAT, 6 Bvd Marechal Juin, F-14050 Caen, France