2008/01/03 by Takashi Hotta
Chemistry · Physics and Astronomy · #Advanced Condensed Matter Physics #Charge (physics) #Charge density #Chemistry #Fast multipole method #Multipole expansion #Operator (biology) #Physics #Physics of Superconductivity and Magnetism #Quantum mechanics #Rare-earth and actinide compounds #Spherical multipole moments #Spin (aerodynamics) #cond-mat.str-el
paper · pdf · doi:10.1143/jpsjs.77sa.96
published as J. Phys. Soc. Jpn. 77 Suppl. A, 96-101 (2008). · To appear in the Proceedings of International Conference on "New Quantum Phenomena in Skutterudite and Related Systems" (September 2007, Kobe, Japan)
openalex publication_date 2008/01/03 · arxiv created 2008/03/18 · arxiv updated 2015/05/12 · openalex created_date 2016/06/24 · openalex updated_date 2026/08/05
It is shown that f-electron multipole is naturally defined as spin-charge one-electron density operator in the second-quantized form with the use of tensor operator on the analogy of multipole expansion of electromagnetic potential from charge distribution in electromagnetism. Due to this definition of multipole, it is possible to determine multipole state from a microscopic viewpoint on the basis of the standard linear response theory for multipole susceptibility. In order to discuss multipole properties of filled skutterudites, we analyze a seven-orbital impurity Anderson model by employing a numerical renormalization group method. We show our results on possible multipole states of filled skutterudite compounds.