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The Multiple-Spin Exchange Phase Diagram on the Triangular Lattice: Schwinger-Boson Analysis

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Abstract

We present the classical phase diagram of a multiple-spin exchange hamiltonian involving up to five-particle exchange. Schwinger-boson (mean field theory) calculations confirm the classical picture of competing ferromagnetic and antiferromagnetic phases, and suggest that the frustration induced by four-particle exchange might destroy long range order.

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Authors and Affiliations

  1. Laboratoire de Physique Théorique des Liquides, Université Pierre et Marie Curie, case 121, 4 Place Jussieu, 75252, Paris Cedex, France

    G. Misguich, B. Bernu & C. Lhuillier

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  1. G. Misguich
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  2. B. Bernu
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  3. C. Lhuillier
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Misguich, G., Bernu, B. & Lhuillier, C. The Multiple-Spin Exchange Phase Diagram on the Triangular Lattice: Schwinger-Boson Analysis. Journal of Low Temperature Physics 110, 327–332 (1998). https://doi.org/10.1023/A:1022588817636

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  • DOI: https://doi.org/10.1023/A:1022588817636

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