Title
Linear response function around a localized impurity in a superconductor Linear response function around a localized impurity in a superconductor
Author
Faculty/Department
Faculty of Sciences. Physics
Publication type
article
Publication
New York, N.Y. ,
Subject
Physics
Chemistry
Source (journal)
The journal of physics and chemistry of solids. - New York, N.Y.
Volume/pages
64(2003) :3 , p. 413-418
ISSN
0022-3697
ISI
000180580700007
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
Imaging the effects of an impurity like Zn in high-T-c superconductors [Nature 61 (2000) 746] has rekindled interest in defect problems in the superconducting phase. This has prompted us here to re-examine the early work of March and Murray [Phys. Rev. 120 (1960) 830] on the linear response function in an initially translationally invariant Fermi gas. In particular, we present corresponding results for a superconductor at zero temperature, both in the s- and in the cl-wave case, and mention their direct physical relevance in the case when the impurity potential is highly localized. (C) 2002 Elsevier Science Ltd. All rights reserved.
E-info
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