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Analytical Formulation of the Local Density of States around a Vortex Core in Unconventional Superconductors

Yuki Nagai, Yosuke Ueno, Yusuke Kato, Nobuhiko Hayashi
2006 Journal of the Physical Society of Japan  

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2006 accepted arXiv:cond-mat/0605441v3 fatcat:7htvdovlzbhfdnturkagxpw2wu

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2006 pre-print
arXiv:cond-mat/0605441v2 fatcat:2lgpnvndm5fplel25wlp3ff2vq
2006 pre-print
arXiv:cond-mat/0605441v1 fatcat:d3aqjqn2djhcjpo3i5gteeknjm
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
more » ... trajectory of Andreev bound states. We discuss experimental results on YNi_2B_2C within the quasiclassical theory of superconductivity.
doi:10.1143/jpsj.75.104701 fatcat:3zbutk2crfampl4m626vmyaocm
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Yuki Nagai, Yosuke Ueno, Yusuke Kato, Nobuhiko Hayashi. "Analytical Formulation of the Local Density of States around a Vortex Core in Unconventional Superconductors." Journal of the Physical Society of Japan 75.10 (2006) 104701