Absence of long-range order in systems with random p-fold anisotropies

A. Aharony*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

14 Scopus citations


A random p-fold anisotropy, of the form (n.S)p (where S is the m-component spin vector, m>1, and n is a unit vector with random directions), is shown to destroy long-range magnetic order for any value of p and dimensionalities d<4. For p>or=3, this happens in spite of the stability of the non-random fixed point. The ferromagnetic phase is replaced, in these cases, by a phase with algebraically decaying correlations and an infinite zero-field susceptibility.

Original languageEnglish
Article number007
Pages (from-to)L841-L843
JournalJournal of Physics C: Solid State Physics
Issue number27
StatePublished - 1981


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