Shnirman, A. and Adagideli, Inanc and Goldbart, P. and Yazdani, A. (1999) Resonant states and order-parameter suppression near point-like impurities in d-wave superconductors. Physical Review B 60, p. 7517.
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We examine the role of order-parameter suppression in the development of low-energy peaks (i.e., resonances) in the tunneling density of states near a non-magnetic impurity in a d-wave superconductor. Without order-parameter suppression, the zero-energy resonance appears only in the unitary (i.e., strong impurity) limit. However, suppression makes the resonance appear even when the impurity is ...
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|Subjects:||500 Science > 530 Physics|
|Refereed:||Yes, this version has been refereed|
|Created at the University of Regensburg:||Yes|
|Deposited On:||20 Mar 2007|
|Last Modified:||05 Aug 2009 13:33|