Theory of multipolar excitations and neutron scattering spectra of CeB6
作者： R Shiina , H Shiba , P Thalmeier , A Takahashi , O Sakai
DOI: 10.1088/0953-8984/15/28/365
关键词: Magnetic field 、 Antiferromagnetism 、 RKKY interaction 、 Neutron scattering 、 Spectral line 、 Chemistry 、 Condensed matter physics 、 Discrete dipole approximation 、 Boson 、 Spin wave
摘要: Multipolar excitations in the antiferroquadrupolar ordering phase of CeB6 are studied theoretically. We develop method boson expansion multipoles, and apply it to Ruderman?Kittel?Kasuya?Yosida model, which has been introduced previously for CeB6. Then neutron scattering spectra calculated within dipole approximation compared with experimental results obtained by Bouvet. The origin characteristic peak structures their dependence on magnetic field discussed.
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