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  5. ,The upper critical field in two-band layered superconductors

,The upper critical field in two-band layered superconductors

来源 :中国物理（英文版） | 被引量 : 0次 | 上传用户：asdf716
【摘 要】
：
The upper critical field of clean MgB2 is investigated using the two-band layered Ginzburg-Landau (GL) theory.The calculated results are fitted to the experimen
【作 者】
：
Liu Min-Xia Gan Zi-Zhao 
【机 构】
：
School of Physics,State Key Laboratory for Mesoscopic Physics,Peking University,Beijing 100871,China
【出 处】
：
中国物理（英文版）
【发表日期】
：
2007年3期
【关键词】
：
MgB2 Ginzburg-Landau theory the upper critical field 
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The upper critical field of clean MgB2 is investigated using the two-band layered Ginzburg-Landau (GL) theory.The calculated results are fitted to the experimental data of clean MgB2 crystal very well in a broad temperature range.Based on the GL theory for clean superconductors,a phenomenOlogical theory for dirty superconductor is proposed.Selecting appropriate parameters,two-band layered GL theory is successfully applied to the crystal of Mg(B1-xCx)2 and the neutron irradiation samples of MgB2.
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