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首页> 外文期刊>Physical review >Studies of the non-Fermi-liquid behavior in U(Pt_(0.94)Pd_(0.06))_3
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Studies of the non-Fermi-liquid behavior in U(Pt_(0.94)Pd_(0.06))_3

机译：U（Pt_（0.94）Pd_（0.06））_ 3中非费米液体行为的研究

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Coexistent magnetism and non-Fermi-liquid (nFl) behavior occur in only a few of the more than 100 known nFl systems. We have investigated the resistivity, dc magnetic susceptibility, and specific heat as a function of field (0-13 T) down to 0.4 K (0.09 K for resistivity) in high-purity polycrystalline U(Pt_(0.94)Pd_(0.06))_3, where antiferromagnetism at 6 K is known to precede non-Fermi-liquid behavior in the specific heat at lower temperatures in zero field. Unusually for a system that shows nFl behavior in the bulk specific heat, both the dc magnetic susceptibility x and the electrical resistivity p of U(Pt_(0.94)Pd_(0.06))_3 show Fermi-liquid behavior down to our lowest temperature of measurement. Possible inferences about the q dependence of the non-Fermi-liquid fluctuation spectrum are discussed. As expected, magnetic field succeeds in driving the specific heat of the system back into a Fermi-liquid ground state with C/T saturating to a constant value below about 0.9 K.
机译：共存的磁性和非费米液体（nF1）行为仅发生在100多个已知的nF1系统中的少数。我们已经研究了高纯度多晶U（Pt_（0.94）Pd_（0.06）中低至0.4 K（电阻率0.09 K）的电阻率，直流磁化率和比热与电场（0-13 T）的函数关系_3，其中已知在6 K的反铁磁性在零场中较低温度下的比热中在非费米液体行为之前。对于在整体比热中显示nFl行为的系统而言，不同寻常的是，直流磁化率x和U（Pt_（0.94）Pd_（0.06））_ 3的电阻率p都显示出费米液体行为，直到我们的最低测量温度。讨论了关于非费米液体波动谱的q依赖性的可能推论。如预期的那样，磁场成功地将系统的比热驱动回费米液体基态，并且C / T饱和到恒定值，低于0.9K。

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