Kondo-cluster-glass state near a ferromagnetic quantum phase transition.

Kondo-cluster-glass state near a ferromagnetic quantum phase transition.
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DOI:
10.1103/physrevlett.102.206404
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发表时间:
2009-05
影响因子:
8.6
通讯作者:
T. Westerkamp;M. Deppe;R. Küchler;M. Brando;C. Geibel;P. Gegenwart;A. Pikul;F. Steglich
T. Westerkamp;M. Deppe;R. Küchler;M. Brando;C. Geibel;P. Gegenwart;A. Pikul;F. Steglich
中科院分区:
物理与天体物理1区
文献类型:
--
作者:
T. Westerkamp;M. Deppe;R. Küchler;M. Brando;C. Geibel;P. Gegenwart;A. Pikul;F. Steglich

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我们报告了一个全面的研究CePd(1-x)Rh(x)(0.6 0),提供证据的情况下,量子临界点。当x >或= 0.65时,发现了一种特殊的“近藤团簇玻璃”态,并且在比热、交流磁化率和磁化强度方面的非费米液体效应与量子格里菲思相的假设是一致的。
We report on a comprehensive study of CePd(1-x)Rh(x) (0.6 0, providing evidence for the absence of a quantum critical point. Instead, a peculiar "Kondo-cluster-glass" state is found for x >or= 0.65, and the non-Fermi-liquid effects in the specific heat, ac susceptibility, and magnetization are compatible with the quantum Griffiths phase scenario.