Effect of Fermi surface evolution on superconducting gap in superconducting topological insulator

DOI DOI Web Site Web Site 被引用文献13件 参考文献45件 オープンアクセス

書誌事項

公開日
2014-08-29
資源種別
journal article
権利情報
  • http://iopscience.iop.org/info/page/text-and-data-mining
  • http://iopscience.iop.org/page/copyright
DOI
  • 10.1088/0953-2048/27/10/104002
  • 10.48550/arxiv.1405.6801
公開者
IOP Publishing

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説明

We study bulk electronic states of superconducting topological insulator, which is the promising candidate for topological superconductor. Recent experiments suggest that the three-dimensional Fermi surface evolves into two-dimensional one. We show that the superconducting energy gap structure on the Fermi surface systematically changes with this evolution. It is clarified that the bulk electronic properties such as spin-lattice relaxation rate and specific heat depend on the shape of the Fermi surface and the type of the energy gap function. These results serve as a guide to determine the pairing symmetry of Cu$_x$Bi$_2$Se$_3$.

12 pages, 6 figures

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