On Superconducting Double Transition in PrOs4Sb12

On Superconducting Double Transition in PrOs4Sb12
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PrOs4Sb12 中的超导双跃迁

DOI:
10.1143/jpsj.72.1322
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发表时间:
2003
影响因子:
1.7
通讯作者:
K. Machida
K. Machida
中科院分区:
物理与天体物理4区
文献类型:
--
作者:
M. Ichioka;N. Nakai;K. Machida

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通过分析a b面上临界场Hc2的各向异性,研究了ProS4Sb12的超导双相变,并讨论了可能的配对态。当由于梯度耦合引起的混合活跃时,在四重对称相中必然会产生二重对称分量,从而导致Hc2的二重振荡,这与实验结果相反。为了避免混合效应,将弱自旋轨道耦合的三重态作为似配对函数,打破了时间反转对称性。
Superconducting double transition in PrOs 4 Sb 12 is investigated by analyzing the anisotropy of the upper critical field H c2 in the a b -plane, and the possible pairing state is discussed. When mixing due to gradient coupling is active, the twofold-symmetric component is necessarily induced in the fourfold symmetric phase, leading to the twofold oscillation of H c2 , contrary to the experimental result. To avoid the mixing effect, the weak spin–orbit coupling triplet pairing state is considered as a likely pairing function, where time-reversal symmetry is broken.
DOI: 10.1103/physrevb.65.100506
发表时间: 2002-03-01
期刊: PHYSICAL REVIEW B
影响因子: 3.7
作者:
Bauer, ED;Frederick, NA;Maple, MB
通讯作者: Maple, MB
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DOI: --
发表时间: 2010
期刊:
影响因子: --
作者:
S. Okuma;Y. Matsumura;and N. Kokubo
通讯作者: and N. Kokubo