4.8 Article

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

Journal

PHYSICAL REVIEW LETTERS
Volume 97, Issue 25, Pages -

Publisher

AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.97.257204

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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 He-3 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.

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