Octupolar order in the multiple spin exchange model on a triangular lattice

Abstract

We show how a gapless spin liquid with hidden octupolar order arises in an applied magnetic field, in a model applicable to thin films of 3He with competing ferromagnetic and antiferromagnetic (cyclic) exchange interactions. Evidence is also presented for nematic -- i.e., quadrupolar -- correlations bordering on ferromagnetism in the absence of a magnetic field.

4 pages, 5 figures

References in corpus (2)

• Finite temperature properties and frustrated ferromagnetism in a square lattice Heisenberg model
• Nematic order in the multiple-spin exchange model on the triangular lattice

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