Magnetic and orbital fluctuations in filled skutterudites

Hotta, Takashi

In order to clarify what types of spin and orbital fluctuations dominate over low-temperature electronic properties of Pr-based filled skutterudites, we evaluate multipole susceptibility based on a multiorbital Anderson model constructed from a - coupling scheme. It is found that magnetic and quadrupole fluctuations are dominant at low temperatures. When we further include the effect of rattling as dynamical Jahn-Teller phonons, there remain quadrupole and octupole fluctuations, which may induce exotic superconducting pairing.

Language	:	English
Journal	:	Physica B; Condensed Matter
Volume	:	378-380
Number	:
Pages	:	p.51 - 53
Publication Year/Month	:	2006/05
Meeting title	:	International Conference on Strongly Correlated Electron Systems (SCES 2005)
Held date	:	2005/07
Location (city)	:	Vienna
Location (country)	:	Austria
Patent information	:
PDF	:
Paper URL	:	https://doi.org/10.1016/j.physb.2006.01.003
DOI for research data	:
Keywords	:	充填スクッテルダイト; 軌道縮退アンダーソン模型; -結合描像; 多極子感受率; 数値繰り込み群法; ラトリング; 動的ヤーンテラー効果
Research Facility	:
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Article of JAEA R&D Review	:
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InCites™	:	Percentile:22.72 Category:Physics, Condensed Matter
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Registration No. : B20050614
JAEA Abstracts No. : 34000979
Paper Submission No. : 1121

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