Physics – Condensed Matter – Superconductivity
Scientific paper
2010-07-21
J. Phys.: Condens. Matter 22 (2010) 255702
Physics
Condensed Matter
Superconductivity
19 pages, IOPP style included
Scientific paper
The two-component model of high temperature superconductors in its real space version has been solved using Bogoliubov-de Gennes equations. The disorder in the electron and boson subsystem has been taken into account. It strongly modifies the superconducting properties and leads to local variations of the gap parameter and density of states. The assumption that the impurities mainly modify boson energies offers natural explanation of the puzzling positive correlation between the positions of impurities and the values of the order parameter found in the scanning tunnelling microscopy experiments.
Domanski Tadeusz
Krzyszczak Jaromir
Micnas Roman
Robaszkiewicz Stanislaw
Wysokinski Karol Izydor
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