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11-11U

11-11U


By icmp_admin - Posted on 08 February 2012

UDC: 
537.611.2, 538.971
PACS: 
75.10.Hk, 68.43.Fg, 61.44.Br, 89.75.Kd

Ground states of the Ising model on the anisotropic triangular lattice: Stripes and zigzags

Yu.I. Dublenych

A complete solution of the ground-state problem and an analysis of ground states for the Ising model in a magnetic field on the anisotropic triangular lattice with the nearest-neighbor interactions are presented. It is shown that this problem can be reduced to the ground-state problem for an infinite chain with the interactions up to the second neighbors. In addition to already known ground-state structures (which correspond to full-dimensional regions in the parameter space of the model), new structures are found (at boundaries of these regions), in particular, zigzagging stripes similar to those observed experimentally in colloidal monolayers. For disordered structures the degree (dimensionality) of disorder is determined.

Year: 
2011
Pages: 
20
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