Quantum Dynamics of Multiferroic Helimagnets: a Schwinger-Boson Approach

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dc.creatorKatsura, Hosho
dc.creatorOnoda, Shigeki
dc.creatorHan, Jung Hoon
dc.creatorNagaosa, Naoto
dc.date2008-04-04
dc.date.accessioned2026-07-07T12:43:47Z
dc.date.available2026-07-07T12:43:47Z
dc.descriptionWe study the quantum dynamics/fluctuation of the cycloidal helical magnet in terms of the Schwinger boson approach. In sharp contrast to the classical fluctuation, the quantum fluctuation is collinear in nature which gives rise to the collinear spin density wave state slightly above the helical cycloidal state as the temperature is lowered. Physical properties such as the reduced elliptic ratio of the spiral, the neutron scattering and infrared absorption spectra are discussed from this viewpoint with the possible relevance to the quasi-one dimensional LiCu$_2$O$_2$ and LiCuVO$_4$.
dc.description5 pages, 4 figures
dc.identifierhttps://arxiv.org/abs/0804.0669
dc.identifierhttp://arxiv.org/abs/0804.0669
dc.identifierPhys. Rev. Lett. 101, 187207(2008)
dc.identifierdoi:10.1103/PhysRevLett.101.187207
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/220545
dc.subjectStrongly Correlated Electrons
dc.subjectMaterials Science
dc.titleQuantum Dynamics of Multiferroic Helimagnets: a Schwinger-Boson Approach
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