Theory of Elastic Neutron Scattering by Ordered Magnetic Octupoles in f-Electron Systems

被引：0

作者：

Shiina, Ryousuke ^{[1
]}

Sakai, Osamu ^{[1
]}

Shiba, Hiroyuki ^{[2
]}

机构：

[1] Tokyo Metropolitan Univ, Dept Phys, Tokyo 1920397, Japan

[2] Tokyo Inst Technol, Dept Phys, Tokyo 1528551, Japan

来源：

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN | 2008年 / 77卷

关键词：

multipole; octupole; hidden order; CeB6; NpO2; neutron scattering; form factor;

D O I：

10.1143/JPSJS.77SA.281

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The symmetry property and characteristic momentum dependence of elastic neutron scattering spectra due to ordered magnetic octupoles in f-electron compounds are studied theoretically. In particular, it is shown through a form factor analysis of Ce1-xLaxB6 that a recent observation by Kuwahara et al. [J. Phys. Soc. Jpn. 76 (2007) 093702] is interpreted as a realization of such a novel scattering mechanism. A possible neutron scattering by field-induced octupoles in the quadrupolar phases is also discussed.

引用

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页码：281 / 284

页数：4

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