Analytical Result on Electronic States around a Vortex Core in a Noncentrosymmetric Superconductor(Condensed Matter: Electronic Structure, Electrical, Magnetic and Optical Properties)

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概要

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• We analytically study electronic bound states around a single vortex core in a noncentrosymmetric superconductor such as CePt_3Si without mirror symmetry about the ab plane. Considering a mixed spin-singlet-triplet Cooper pairing model, we obtain a formula about the local density of states (LDOS) around a vortex core in any direction of the magnetic field. The LDOS under a magnetic field perpendicular to the c axis is quite different from that of typical s- or d-wave superconductors. From the ellipticity of the spatial pattern of the LDOS around a vortex core, one can experimentally estimate the pairing symmetry of CePt_3Si, such as the position of the gap nodes and the ratio of the singlet component to the triplet component in the order parameter.

• 社団法人日本物理学会の論文
• 2006-04-15

著者

• KATO Yusuke

  Department of Chemistry and Chemical Engineering, Niigata University

• Hayashi Nobuhiko

  Institut Fur Theoretische Physik Eth-honggerberg

• Kato Yusuke

  Department Of Basic Science University Of Tokyo

• Kato Yusuke

  Department Of Applied Biological Chemistry Graduate School Of Agricultural And Life Sciences Univers

• NAGAI Yuki

  Department of Physics, University of Tokyo

• Nagai Yuki

  Department Of Earth Resources Engineering Kyushu University

• Hayashi Nobuhiko

  Institut Fur Theoretische Physik

• Kato Yusuke

  Department of Basic Science, University of Tokyo

• HAYASHI Nobuhiko

  Institut fur Theoretische Physik, ETH-Honggerberg

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