Details of disorder matter in 2D d-wave superconductors

Citation
Wa. Atkinson et al., Details of disorder matter in 2D d-wave superconductors, PHYS REV L, 85(18), 2000, pp. 3926-3929
Citations number
32
Categorie Soggetti
Physics
Journal title
PHYSICAL REVIEW LETTERS
ISSN journal
00319007 → ACNP
Volume
85
Issue
18
Year of publication
2000
Pages
3926 - 3929
Database
ISI
SICI code
0031-9007(20001030)85:18<3926:DODMI2>2.0.ZU;2-4
Abstract
Within numerically exact solutions of the Bogoliubov-de Gennes equations, w e demonstrate that discrepancies between predicted low-energy quasiparticle properties in disordered 2D d-wave superconductors occur because of the un anticipated importance of disorder model details and normal state particle- hole symmetry. For the realistic case, which is best described by a binary alloy model without particle-hole symmetry, we predict density-of-stats sup pression below an energy scale which appears to be correlated with the corr esponding single impurity resonance.