Impurity effect in the superconducting state of the two-dimensional t-J model

Authors
Tsuchiura, H Tanaka, Y Ogata, M Kashiwaya, S
Citation
H. Tsuchiura et al., Impurity effect in the superconducting state of the two-dimensional t-J model, PHYSICA C, 318, 1999, pp. 518-520
Citations number
12
Categorie Soggetti
Apllied Physucs/Condensed Matter/Materiales Science
Journal title
PHYSICA C
ISSN journal
09214534 → ACNP
Volume
318
Year of publication
1999
Pages
518 - 520
Database
ISI
SICI code
0921-4534(199905)318:<518:IEITSS>2.0.ZU;2-2
Abstract
Superconducting state around impurities in the high-T-c superconductors is studied using the two-dimensional t-J model for various geometrical configu rations. The spatial dependence of the order parameter and the local densit y of states are calculated by the numerical diagonalization of the Bogoliub ov-de Gennes equation derived using the Gutzwiller approximation. Geometric al configuration effect of impurities are studied in detail. (C) 1999 Elsev ier Science B.V. All rights reserved.