Spin Density Wave in Insulating Ferromagnetic Frustrated Chain LiCuVO4

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概要

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• We study a field-induced quantum phase in the weakly-coupled ferromagnetic frustrated chain LiCuVO4 by a neutron diffraction technique. A new incommensurate magnetic peak is observed at H \geq 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 an exotic spin density wave long-range order in the insulating magnet.

• 2011-11-15

著者

• Kaneko Koji

  Quantum Beam Science Directorate, Japan Atomic Energy Agency, Tokai, Ibaraki 319-1195, Japan

• Metoki Naoto

  Quantum Beam Science Directorate, Japan Atomic Energy Agency, Tokai, Ibaraki 319-1195, Japan

• Masuda Takatsugu

  Neutron Scattering Laboratory, Institute for Solid State Physics, The University of Tokyo, Tokai, Ibaraki 319-1106, Japan

• Hagihala Masato

  Neutron Scattering Laboratory, Institute for Solid State Physics, The University of Tokyo, Tokai, Ibaraki 319-1106, Japan

• Kondoh Yosuke

  International Graduate Schools of Arts and Sciences, Yokohama City University, Yokohama 236-0027, Japan

関連論文

• Neutron Diffraction Study of Successive Magnetic Phase Transitions of Distorted-Triangular-Lattice Antiferromagnet RbFeBr3
• Magnetic Structure Determination of CeT_{2}Al10 (T = \text{Ru} and Os): Single Crystal Neutron Diffraction Studies
• Spin Density Wave in Insulating Ferromagnetic Frustrated Chain LiCuVO4

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