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Chiral mixed phase in disordered 3d Heisenberg models

S. Bekhechi·B. W. Southern
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Abstract

Using Monte Carlo simulations, we compute the spin stiffness of a site-random 3d Heisenberg model with competing ferromagnetic and antiferromagnetic interactions. Our results for the pure limit yield values of the the critical temperature and the critical exponent $ν$ in excellent agreement with previous high precision studies. In the disordered case, a mixed "chiral" phase is found which may be in the same universality class as 3d Heisenberg spin glasses.

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BibTeXRIS

S. Bekhechi, B. W. Southern. 2004-06-18. Chiral mixed phase in disordered 3d Heisenberg models. https://doi.org/10.1103/physrevb.70.020405

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