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Volumn 76, Issue 2, 2007, Pages

Universal scaling in the dynamical conductivity of heavy fermion Ce and Yb compounds

Author keywords

Heavy fermion; Optical conductivity

Indexed keywords


EID: 33847388570     PISSN: 00319015     EISSN: 13474073     Source Type: Journal    
DOI: 10.1143/JPSJ.76.023703     Document Type: Article
Times cited : (51)

References (57)
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    • L. Degiorgi: Rev. Mod. Phys. 71 (1999) 687, and references therein.
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    • M. Matsunami, H. Okamura, T. Nanba, T. Suemitsu, T. Yoshino, T. Takabatake, Y. Isikawa, and H. Harima: Proc. Int. Conf. Strongly Correlated Electrons with Orbital Degrees of Freedom (ORBITAL2001), J. Phys. Soc. Jpn. 71 (2002) Suppl., p. 291.
    • M. Matsunami, H. Okamura, T. Nanba, T. Suemitsu, T. Yoshino, T. Takabatake, Y. Isikawa, and H. Harima: Proc. Int. Conf. Strongly Correlated Electrons with Orbital Degrees of Freedom (ORBITAL2001), J. Phys. Soc. Jpn. 71 (2002) Suppl., p. 291.
  • 24
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    • N. Tsujii, K. Yoshimura, and K. Kosuge: J. Phys.: Condens. Matter 15 (2003) 1993.
    • N. Tsujii, K. Yoshimura, and K. Kosuge: J. Phys.: Condens. Matter 15 (2003) 1993.
  • 32
    • 0035131069 scopus 로고    scopus 로고
    • 2·mol) is assumed after J. M. Lawrence, P. S. Riseborough, C. H. Booth, J. L. Sarrao, J. D. Thompson, and R. Osborn: Phys. Rev. B 63 (2001) 054427.
    • 2·mol) is assumed after J. M. Lawrence, P. S. Riseborough, C. H. Booth, J. L. Sarrao, J. D. Thompson, and R. Osborn: Phys. Rev. B 63 (2001) 054427.
  • 33
    • 0034228789 scopus 로고    scopus 로고
    • O. Trovarelli, C. Geibel, S. Mederle, C. Langhammer, F. M. Grosche, P. Gegenwart, M. Lang, G. Sparn, and F. Steglich: Phys. Rev. Lett. 85 (2000) 626; This work reports a large Ce/T of 1500 mJ/(K 2·mol) below 5K due to NFL formation. We have estimated a Kondo contribution of 100-140 mJ/(K2·mol) by extrapolating the nearly constant Ce/T above 10K down to T, 0
    • e/T above 10K down to T = 0.
  • 34
    • 33847345901 scopus 로고    scopus 로고
    • private communication
    • H. S. Jeevan: private communication.
    • Jeevan, H.S.1
  • 38
    • 33847391503 scopus 로고    scopus 로고
    • γ0 of YPd3 is used here, C. L. Seaman and M. B. Maple: Physica B 199-200 (1994) 396; LaPd3 has anomalously small γ0 of 0.28 mJ/(K2·mol),35) and does not serve as reference to CePd3. This is supported by the large difference of the lattice constant between CePd3 and LaPd 3 (Δa, 0.11 Å) compared with that between CePd3 and YPd3 Δa, 0.05Å
    • 3 (Δa = 0.05Å).
  • 41
    • 0034383277 scopus 로고    scopus 로고
    • N. Takeda and M. Ishikawa: J. Phys. Soc. Jpn. 69 (2000) 868; This work reports a large Ce/T of 190- 380 mJ/(mol 2·K) below 2K due to NFL formation. We have estimated a Kondo contribution of 50-85 mJ/(mol2·K) by extrapolating the C/T vs T2 plot above 4K down to 0 K
    • 2 plot above 4K down to 0 K.
  • 44
    • 0000710398 scopus 로고    scopus 로고
    • F. Marabelli and P. Wachter: Phys. Rev. B 42 (1990) 3307, and references therein.
    • F. Marabelli and P. Wachter: Phys. Rev. B 42 (1990) 3307, and references therein.
  • 46
  • 47
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    • in preparation
    • N. Tsujii: in preparation.
    • Tsujii, N.1
  • 57
    • 1542582013 scopus 로고    scopus 로고
    • G. Czycholl and H. J. Leder: Z. Phys. B 44 (1981) 59; When a k-independent Ṽ is assumed, as in many PAM-based theories on HF compounds, only the c component of the total dos can contribute to σ(ω).
    • G. Czycholl and H. J. Leder: Z. Phys. B 44 (1981) 59; When a k-independent Ṽ is assumed, as in many PAM-based theories on HF compounds, only the c component of the total dos can contribute to σ(ω).


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