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Proceedings Paper

Tunneling spectroscopy of anisotropic superconductors
Author(s): Satoshi Kashiwaya; Yukio Tanaka; Masao Koyanagi; Koji Kajimura
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Paper Abstract

Tunneling spectroscopy of normal-insulator-superconductor junction is investigated theoretically. In anisotropic superconductors, different from the case of isotropic superconductor, the effective pair potentials felt by quasiparticles depend on the direction of their motion. By taking this effect into account, it is shown that the conductance spectra strongly depend on the crystal orientation. Using Green's function method, local density of states (LDOS) in superconductor is also calculated. The close relation between conductance spectra and LDOS is presented. The calculation is compared with experimental spectra of high-Tc superconductors.

Paper Details

Date Published: 10 June 1996
PDF: 9 pages
Proc. SPIE 2696, Spectroscopic Studies of Superconductors, (10 June 1996); doi: 10.1117/12.241753
Show Author Affiliations
Satoshi Kashiwaya, Electrotechnical Lab. (Japan)
Yukio Tanaka, Niigata Univ. (Japan)
Masao Koyanagi, Electrotechnical Lab. (Japan)
Koji Kajimura, Electrotechnical Lab. (Japan)

Published in SPIE Proceedings Vol. 2696:
Spectroscopic Studies of Superconductors
Ivan Bozovic; Dirk van der Marel, Editor(s)

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