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The upper critical field in two-band layered superconductors 被引量:2
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作者 刘敏霞 甘子钊 《Chinese Physics B》 SCIE EI CAS CSCD 2007年第3期826-833,共8页
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 te... 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. 展开更多
关键词 MGB2 ginzburg-landau theory the upper critical field
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