Random field effects in disordered anisotropic antiferromagnets

Shmuel Fishman*, Amnon Aharony

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

593 Scopus citations

Abstract

A uniform magnetic field is shown to generate random local fields in uniaxially anisotropic antiferromagnets with random exchange interactions. This leads to a stronger divergence of the temperature derivative of the static susceptibility even at zero field, and to a drastic change in the critical exponents at the Ising-like antiferromagnetic transition as well as at the tricritical or bicritical points occurring at finite fields.

Original languageEnglish
Article number006
Pages (from-to)L729-L733
JournalJournal of Physics C: Solid State Physics
Volume12
Issue number18
DOIs
StatePublished - 1979

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