Surface Bound States and Spontaneous Current in Cyclic <i>d</i>-Wave Superconductors
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- Masaki Ishikawa
- Department of Physics, Okayama University, Okayama 700-8530, Japan
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- Yasumasa Tsutsumi
- Condensed Matter Theory Laboratory, RIKEN, Wako, Saitama 351-0198, Japan
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- Masanori Ichioka
- Department of Physics, Okayama University, Okayama 700-8530, Japan
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- Kazushige Machida
- Department of Physics, Okayama University, Okayama 700-8530, Japan
説明
On the basis of Eilenberger theory, surface bound states and spontaneous current are studied in cyclic d-wave superconductors as a broken time-reversal symmetry of superconductivity in cubic lattice symmetry. We discuss how the spontaneous current and the electronic states depend on the orientation of the surface relative to the symmetry of superconductivity. The condition for topological Fermi arcs of zero-energy surface bound states to appear is identified in the complex pairing function of the cyclic d-wave.
4 pages, 4 figures
収録刊行物
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- Journal of the Physical Society of Japan
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Journal of the Physical Society of Japan 82 (4), 043711-, 2013-04-15
Physical Society of Japan
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詳細情報 詳細情報について
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- CRID
- 1360284924857598592
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- NII論文ID
- 210000132498
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- ISSN
- 13474073
- 00319015
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