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arXiv · 1107.0945

Continuous local model for two-dimensional spin ice

J. E. da Fonseca·C. W. Morais·A. L. Mota·L. H. C. M. Nunes
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Abstract

We propose a classical model Hamiltonian with a ground state presenting a spin ice structure. We analyze the introduction of metastable excitations on this ground state, showing the emergence of pairs of magnetic monopoles. The interaction between monopoles and dipoles in the system is studied. As a consequence, we obtain an effective nonlocal interaction between monopoles and dipoles from a local classical spin model.

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J. E. da Fonseca, C. W. Morais, A. L. Mota, L. H. C. M. Nunes. 2011-07-05. Continuous local model for two-dimensional spin ice. https://arxiv.org/abs/1107.0945

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