Spatial Inhomogeneities in Disordered d-Wave Superconductors: Effect on Density of States and Superfluid Stiffness

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dc.creatorGhosal, Amit
dc.creatorRanderia, Mohit
dc.creatorTrivedi, Nandini
dc.date2000-04-27
dc.date.accessioned2026-07-07T02:37:29Z
dc.date.available2026-07-07T02:37:29Z
dc.descriptionWe study a short coherence length d-wave superconductor with finite density of unitary scatterers using the Bogoliubov-deGennes technique. We find that the low-energy density of states is reduced, the superfluid stiffness is significantly larger and off-diagonal long range order is more robust than the self-consistent T-matrix prediction. These results are a consequence of the inhomogeneous pairing amplitude in the ground state and of the low-lying excitations formed by hybridized impurity resonances. These features, with their nontrivial spatial structure, cannot be adequately described within the conventional T-matrix approach.
dc.description4 pages; 4 figures
dc.identifierhttps://arxiv.org/abs/cond-mat/0004481
dc.identifierhttp://arxiv.org/abs/cond-mat/0004481
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/16308
dc.subjectSuperconductivity
dc.subjectStrongly Correlated Electrons
dc.titleSpatial Inhomogeneities in Disordered d-Wave Superconductors: Effect on Density of States and Superfluid Stiffness
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