Spin Density Wave in Insulating Ferromagnetic Frustrated Chain LiCuVO$_4$

Takatsugu Masuda; Masato Hagihala; Yosuke Kondoh; Koji Kaneko; Naoto Metoki

doi:10.1143/JPSJ.80.113705

Spin Density Wave in Insulating Ferromagnetic Frustrated Chain LiCuVO$_4$

Strongly Correlated Electrons 2015-05-30 v1

Authors: Takatsugu Masuda , Masato Hagihala , Yosuke Kondoh , Koji Kaneko , Naoto Metoki

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Abstract

We study field induced quantum phase in weakly-coupled ferromagnetic frustrated chain LiCuVO $_4$ by neutron diffraction technique. A new incommensurate magnetic peak is observed at $H \ge 8.5$ T. The field dependent propagation vector is identified with the spin density wave correlation in the theoretically predicted magnetic quadrupole order. Quantum fluctuation, geometrical frustration, and interchain interaction induce the exotic spin density wave long-range order in the insulating magnet.

Keywords

spin excitations in condensed matter magnetism frustrated magnetism

Cite

@article{arxiv.1108.4255,
  title  = {Spin Density Wave in Insulating Ferromagnetic Frustrated Chain LiCuVO$_4$},
  author = {Takatsugu Masuda and Masato Hagihala and Yosuke Kondoh and Koji Kaneko and Naoto Metoki},
  journal= {arXiv preprint arXiv:1108.4255},
  year   = {2015}
}

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