Quantum helimagnetism of the frustrated spin-1/2 chain LiCuVO4

Quantum helimagnetism of the frustrated spin-1/2 chain LiCuVO4

Inelastic neutron scattering, susceptibility, and high-field magnetization identify LiCuVO4 as a nearest-neighbour ferromagnetic, next-nearest-neighbour frustrated, quasi-one-dimensional helimagnet, which is largely influenced by quantum fluctuations. Complementary band structure calculations provid...

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Veröffentlicht in:Europhysics letters 2005-04, Vol.70 (2), p.237-243
Hauptverfasser: Enderle, M, Mukherjee, C, Fak, B, Kremer, R K, Broto, J-M, Rosner, H, Drechsler, S-L, Richter, J, Malek, J, Prokofiev, A, Assmus, W, Pujol, S, Raggazzon, J-L, Rakoto, H, Rheinstadter, M, Ronnow, H M
Format: Artikel
Sprache:eng
Schlagworte:
Condensed Matter
Physics
Superconductivity
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Zusammenfassung:Inelastic neutron scattering, susceptibility, and high-field magnetization identify LiCuVO4 as a nearest-neighbour ferromagnetic, next-nearest-neighbour frustrated, quasi-one-dimensional helimagnet, which is largely influenced by quantum fluctuations. Complementary band structure calculations provide a microscopic model with the correct sign and magnitude of the major exchange integrals.
ISSN:0295-5075
1286-4854
DOI:10.1209/epl/i2004-10484-x