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Ginzburg-Landau theory of the cluster glass phase

Th. M. Nieuwenhuizen·C. N. A. van Duin
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Abstract

On the basis of a recent field theory for site-disordered spin glasses a Ginzburg-Landau free energy is proposed to describe the low temperatures glassy phase(s) of site-disordered magnets. The prefactors of the cubic and dominant quartic terms change gradually along the transition line in the concentration-temperature phase diagram. Either of them may vanish at certain points $(c_*, T_*)$, where new transition lines originate. The new phases are classified

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Th. M. Nieuwenhuizen, C. N. A. van Duin. 1996-11-28. Ginzburg-Landau theory of the cluster glass phase. https://doi.org/10.1088/0305-4470%2F30%2F4%2F003

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