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Volumn 75, Issue 7, 2006, Pages

Possible low-temperature strongly correlated electron behavior from multipole fluctuations in PrMg3 with cubic non-kramers Γ3 doublet ground state

Author keywords

Heavy electron; Kondo effect; Octupole; Pr compounds; PrMg3; Quadrupole

Indexed keywords


EID: 33847399291     PISSN: 00319015     EISSN: 13474073     Source Type: Journal    
DOI: 10.1143/JPSJ.75.073705     Document Type: Article
Times cited : (66)

References (34)
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    • T. Tayama, T. Sakakibara, K. Kitami, M. Yokoyama, K. Tenya, H. Amitsuka, D. Aoki, Y. Ōnuki and Z. Kletowski: J. Phys. Soc. Jpn. 70 (2001) 248, and references therein.
  • 16
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    • Cox, D.L.1
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    • 0031506696 scopus 로고    scopus 로고
    • M. Koga and H. Shiba: J. Phys. Soc. Jpn. 66 (1997) 1485, and references therein.
    • M. Koga and H. Shiba: J. Phys. Soc. Jpn. 66 (1997) 1485, and references therein.
  • 30
    • 33847413113 scopus 로고    scopus 로고
    • In PrAg2In, previous μ-SR studies in ref. 31 have yielded an estimate of 1/141T1, 2:2 ×- 10 6 s-1 at T, 0.7 K. The enhanced 1/ 141T1 as a nonmagnetic GS system seems to correspond to the anomalously enhanced 1/T1 of both 109Ag and 115In in our recent NMR studies in ref. 18, which have been discussed in terms of the multipole, particularly octupole, fluctuations of the GS Γ3. Since a similarly short 141T1 can be expected for PrMg3, CP(T) measured by the thermal relaxation method is considered to appropriately include the nuclear Schottky contribution CN(T, Due to its poor natural abundance (10.13, and small gyromagnetic ratio (2.6054 MHz/T, the contribution from 25Mg to CN(T) can safely be neglect
    • N(T) can safely be neglected.
  • 33
    • 33847345499 scopus 로고    scopus 로고
    • It has been known from ref. 28 that the resonant-level model (with ΔEΓ3, 0 K) yields a slightly higher C 4f (T) peak by ∼0.07 J/(mol K) than the 1-ch. Kondo model (J, 1/2, Within the resonant-level model, ΔEΓ 3, 1.0 K enhances the peak by ∼0:12 J/(mol K, which is comparable to the observed value ∼0:09 J/mol K
    • 3 = 1.0 K enhances the peak by ∼0:12 J/(mol K), which is comparable to the observed value ∼0:09 J/(mol K).


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