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arXiv 1003.2726cond-mat.supr-concond-mat.str-el
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FeTe0.5Se 0.5穿透深度的μ子自旋谱研究

Muon-spin-spectroscopy study of the penetration depth of FeTe0.5Se0.5

P. K. Biswas, G. Balakrishnan, D. M. Paul, C. V. Tomy, M. R. Lees, A. D. Hillier

摘要:

利用μ子自旋谱研究了FeTe_(0.5)Se_(0.5)的超导态。的温度依赖性的面内磁穿透深度,λ ab(T),被发现是兼容的两个间隙s+s波或各向异性s波模型。λ_ab(T)在T=0 K时的值估计为λ_ab(0)=534(2)nm。

英文摘要:

Muon spin spectroscopy measurements have been used to study the superconducting state of FeTe0.5Se0.5. The temperature dependence of the in-plane magnetic penetration depth, lambda_ab(T), is found to be compatible with either a two gap s+s wave or an anisotropic s-wave model. The value for lambda_ab(T) at T=0 K is estimated to be lambda_ab(0)=534(2)nm.

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