Tunneling spectroscopy of anisotropic superconductors
Book
·
OSTI ID:549842
- Electrotechnical Lab., Tsukuba, Ibaraki (Japan)
- Niigata Univ. (Japan)
Tunneling spectroscopy of normal-insulator-superconductor junction is investigated theoretically. In anisotropic superconductors, differently 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.
- OSTI ID:
- 549842
- Report Number(s):
- CONF-960163--; ISBN 0-8194-2070-0
- Country of Publication:
- United States
- Language:
- English
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