Arc-shaped structure factor in the <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:msub><mml:mi>J</mml:mi><mml:mn>1</mml:mn></mml:msub><mml:mtext>−</mml:mtext><mml:msub><mml:mi>J</mml:mi><mml:mn>2</mml:mn></mml:msub><mml:mtext>−</mml:mtext><mml:msub><mml:mi>J</mml:mi><mml:mn>3</mml:mn></mml:msub></mml:math> classical Heisenberg model on the triangular lattice

نویسندگان

چکیده

We study the ${J}_{1}\text{\ensuremath{-}}{J}_{2}\text{\ensuremath{-}}{J}_{3}$ classical Heisenberg model with ferromagnetic ${J}_{1}$ on triangular lattice using nematic bond theory. For parameters where momentum space coupling function ${J}_{\stackrel{P\vec}{q}}$ shows a discrete set of minima, we find that system in general exhibits single first-order phase transition between high-temperature ring liquid and low-temperature single-$\stackrel{P\vec}{q}$ planar spiral state. Close to continuous minimum, other hand several transitions upon lowering temperature. Most interestingly, an intermediate temperature ``arc'' regime, structure factor breaks rotational symmetry broad arc-shaped maximum. map out parameter region over which this arc regime exists characterize details its static same region.

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ژورنال

عنوان ژورنال: Physical Review B

سال: 2021

ISSN: ['1098-0121', '1550-235X', '1538-4489']

DOI: https://doi.org/10.1103/physrevb.104.184427