Analytical Formulation of the Local Density of States around a Vortex Core in Unconventional Superconductors(Condensed matter: electronic structure and electrical, magnetic, and optical properties)
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概要
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On the basis of the quasiclassical theory of superconductivity, we obtain a formula for the local density of states (LDOS) around a vortex core of superconductors with anisotropic pair-potential and Fermi surface in arbitrary directions of magnetic fields. Earlier results on the LDOS of d-wave superconductors and NbSe_2 are naturally interpreted within our theory geometrically; the region with high intensity of the LDOS observed in numerical calculations turns out to the enveloping curve of the trajectory of Andreev bound states. We discuss experimental results on YNi_2B_2C within the quasiclassical theory of superconductivity.
- 社団法人日本物理学会の論文
- 2006-10-15
著者
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KATO Yusuke
Department of Chemistry and Chemical Engineering, Niigata University
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Hayashi Nobuhiko
Institut Fur Theoretische Physik Eth-honggerberg
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Kato Yusuke
Department Of Basic Science University Of Tokyo
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Kato Yusuke
Department Of Applied Biological Chemistry Graduate School Of Agricultural And Life Sciences Univers
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NAGAI Yuki
Department of Physics, University of Tokyo
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UENO Yosuke
Department of Applied Physics, University of Tokyo
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Ueno Yosuke
Department Of Applied Physics University Of Tokyo
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Nagai Yuki
Department Of Earth Resources Engineering Kyushu University
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Hayashi Nobuhiko
Institut Fur Theoretische Physik
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Kato Yusuke
Univ. Tokyo Tokyo
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