Dressed Josephson junction network models and low-field magnetic response of high-Tc granular superconductors |
| |
Authors: | R De Luca |
| |
Institution: | INFM and DIIMA, Università degli Studi di Salerno, I-84084, Fisciano (SA), Italy |
| |
Abstract: | A bare three-dimensional model, in which grains are reduced to points, cannot fully account for the magnetic properties of granular superconductors. A dressed version of these network models is proposed to discuss the quantitative link between the low-field magnetic response of high-Tc superconducting granular samples and the characteristic properties of Josephson junction network models. By means of dressed models, the temperature dependence of the d.c. field-cooled susceptibility of a simple three-dimensional granular system, consisting of eight grains in a cubic arrangement, is studied. |
| |
Keywords: | Superconducting granular systems Josephson junction networks D C susceptibility |
本文献已被 ScienceDirect 等数据库收录! |
|