Optical Conductivity of Ce-based Filled Skutterudites

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Author(s)

Abstract

A simple tight-binding model is constructed for the description of the electronic structure of some Cebased filled skutterudite compounds showing an energy gap or pseudogap behavior. Assuming band-diagonal electron interactions on this tight-binding model, the optical conductivity spectrum is calculated by applying the second-order self-consistent perturbation theory to treat the electron correlation. The correlation effect is found to be of great importance on the description of the temperature dependence of the optical conductivity. The rapid disappearance of an optical gap with increasing temperature is obtained as observed in the optical experiment for Ce-based filled-skutterudite compounds.

Journal

  • Journal of the Physical Society of Japan

    Journal of the Physical Society of Japan 73(10), 2900-2905, 2004-10-15

    The Physical Society of Japan (JPS)

References:  18

Cited by:  3

Codes

  • NII Article ID (NAID)
    110001979223
  • NII NACSIS-CAT ID (NCID)
    AA00704814
  • Text Lang
    ENG
  • Article Type
    Journal Article
  • ISSN
    00319015
  • NDL Article ID
    7121352
  • NDL Source Classification
    ZM35(科学技術--物理学)
  • NDL Call No.
    Z53-A404
  • Data Source
    CJP  CJPref  NDL  NII-ELS 
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