Journal
JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN
Volume 73, Issue 3, Pages 515-518Publisher
PHYSICAL SOC JAPAN
DOI: 10.1143/JPSJ.73.515
Keywords
Kadowaki-Woods relation; orbitally degenerate periodic Anderson model; Fermi liquid theory
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dWe present a theoretical Study of the Kadowaki-Woods relation in the orbitally degenerate periodic Anderson model. Based oil the Fermi liquid theory. we derive the generalized Kadowaki-Woods relationin the strong coupling limit, Ay(-2) approximate to 10(-5)/ 1/2 N(N - 1) [ muOmegacm (mol . K/mJ)(2)], where A is the coefficient of the T-2 term in the resistivity, gamma is the T-linear specific heat coefficient, and N is the f-orbital degeneracy. This result naturally explains the remarkably smaller value of Ay(-2) in various orbitally degenerate (mainly Yb-based) heavy Fermion systems, reported by Tsujii et al.
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