Interband Coulomb Interaction and Horizontal Line Nodes in Triplet Superconductor Sr_2RuO_4
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概要
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A possible mechanism for appearance of the horizontal line nodes in triplet superconductor, Sr_2RuO_4, is proposed. We consider the interlayer Coulomb interaction, as well as the on-site Coulomb repulsion, between electrons in different bands. In the second order perturbation of the interband interaction, the effective interaction becomes dependent on cos q_2/2, resulting in horizontal line nodes.
- 社団法人日本物理学会の論文
- 2003-06-15
著者
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Hasegawa Yasumasa
Department Of Material Science Graduate School Of Material Science University Of Hyogo
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Hasegawa Yasumasa
Department Of Material Science Graduate School Of Science Himeji Institute Of Technology
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YAKIYAMA Mayumi
Department of Material Science, Graduate School of Science, Himeji Institute of Technology
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Yakiyama Mayumi
Department Of Material Science Graduate School Of Science Himeji Institute Of Technology
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Hasegawa Yasumasa
Department of Material Science, Graduate School of Science, Himeji Institute of Technology
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