Calculus of Variations and Geometric Measure Theory
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A. Bach - M. Cicalese - L. Kreutz - G. Orlando

The antiferromagnetic XY model on the triangular lattice: chirality transitions at the surface scaling

created by kreutz on 06 Apr 2020

[BibTeX]

Submitted Paper

Inserted: 6 apr 2020
Last Updated: 6 apr 2020

Year: 2020

ArXiv: 2004.01416 PDF

Abstract:

We study the discrete-to-continuum variational limit of the antiferromagnetic XY model on the two-dimensional triangular lattice. The system is fully frustrated and displays two families of ground states distinguished by the chirality of the spin field. We compute the {\Gamma}-limit of the energy in a regime which detects chirality transitions on one-dimensional interfaces between the two admissible chirality phases.


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