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arXiv · 0908.0236

The imbalanced antiferromagnet in an optical lattice

Arnaud Koetsier·F. van Liere·H. T. C. Stoof
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Abstract

We study the rich properties of the imbalanced antiferromagnet in an optical lattice. We present its phase diagram, discuss spin waves and explore the emergence of topological excitations in two dimensions, known as merons, which are responsible for a Kosterlitz-Thouless transition that has never unambiguously been observed.

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Arnaud Koetsier, F. van Liere, H. T. C. Stoof. 2009-08-03. The imbalanced antiferromagnet in an optical lattice. https://doi.org/10.1103/physreva.81.023628

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