The Two Dimensional XY Spin Glass with Ferromagnetic Next-Nearest-Neighbour Interactions

Details The Two Dimensional XY Spin Glass with Ferromagnetic Next-Nearest-Neighbour Interactions The Two Dimensional XY Spin Glass with Ferromagnetic Next-Nearest-Neighbour Interactions

1998-05-12

arxiv.org/abs/cond-mat/9805141v1

Physics

Condensed Matter

Disordered Systems and Neural Networks

11 pages, TeX, 8 figures; submitted to Phys Rev E

Scientific paper

The random-bond XY spin glass with ferromagnetic next-nearest-neighbour interactions is studied on a square lattice by Monte Carlo simulations. We find strong evidence for a finite-temperature spin glass transition at $T_c\approx 1.1$. We also give estimates for the spin glass critical exponents for different values of the strength of the nearest-neighbour interaction. Our results are consistent with universal behaviour.

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