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Frustrated Heisenberg Antiferromagnets between d=2 and d=3

By A. Peles and B. W. Southern


The antiferromagnetic Heisenberg model on a stacked triangular geometry with a finite number of layers is studied using Monte Carlo methods. A topological phase transition occurs at finite temperature for all film thicknesses. Our results indicate that topological excitations are important for a complete understanding of the critical properties of the model between two and three dimensions.Comment: 4 pages, 6 figure

Topics: Condensed Matter - Statistical Mechanics
Publisher: 'American Physical Society (APS)'
Year: 2003
DOI identifier: 10.1103/PhysRevB.69.081403
OAI identifier:

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