A microscopic model for the intrinsic Josephson tunneling in high-T_C superconductors

Simple item page
dc.creatorSchmitt, O.
dc.creatorEndres, H.
dc.creatorHanke, W.
dc.creatorKleiner, R.
dc.creatorMueller, P.
dc.date1997-07-24
dc.date.accessioned2026-07-07T09:11:58Z
dc.date.available2026-07-07T09:11:58Z
dc.descriptionA quantitative analysis of a microscopic model for the intrinsic Josephson effect in high-temperature superconductors based on interlayer tunneling is presented. The pairing correlations in the CuO_2-planes are modelled by a 2-D Hubbard-model with attractive interaction, a model which accounts well for some of the observed features such as the short planar coherence length. The stack of Hubbard planes is arranged on a torus, which is threaded by a magnetic flux. The current perpendicular to the planes is calculated as a function of applied flux (i. e. the phase), and -- after careful elimination of finite-size effects due to single-particle tunneling -- found to display a sinusoidal field dependence in accordance with interlayer Josephson tunneling. Studies of the temperature dependence of the supercurrent reveal at best a mild elevation of the Josephson transition temperature compared to the planar Kosterlitz-Thouless temperature. These and other results on the dependence of the model parameters are compared with a standard BCS evaluation.
dc.description11 pages, Rev-Tex, 8 figures
dc.identifierhttps://arxiv.org/abs/cond-mat/9707303
dc.identifierhttp://arxiv.org/abs/cond-mat/9707303
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/151872
dc.subjectStrongly Correlated Electrons
dc.subjectSuperconductivity
dc.titleA microscopic model for the intrinsic Josephson tunneling in high-T_C superconductors
dc.typetext

Files

Collections

arXiv