Phenomenology of CaKFe₄As₄ explained in the framework of four bands Eliashberg theory

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• 作者：G.A. Ummarino ; ^{giovanni.ummarino@polito.it" class="auth_mail" title="E-mail the corresponding author}
• 关键词：Multiband superconductivity ; Fe-based superconductors ; Eliashberg equations
• 刊名：Physica C: Superconductivity
• 出版年：2016
• 出版时间：15 October 2016
• 年：2016
• 卷：529
• 期：Complete
• 页码：50-53
• 全文大小：726 K

文摘

I explain the phenomenology of the new compound CaKFe₄As₄ in the framework of the four-band Eliashberg theory with s+-symmetry with an electron-boson (antiferromagnetic spin fluctuations) coupling constants (=3.51) in the strong coupling regime.