Critical current in the high-T-c glass model

Morgenstern, Ingo and Fettes, W. and Husslein, T. (1999) Critical current in the high-T-c glass model. INTERNATIONAL JOURNAL OF MODERN PHYSICS C, 10 (7). pp. 1335-1345. ISSN 0129-1831,

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Abstract

The high-T-c grass model can be combined with the repulsive tt'-Hubbard model as microscopic description of the striped domains found in the high-T-c materials. In this picture, the finite Hubbard clusters are the origin of the d-wave pairing. In this paper we show that the glass model can also explain the critical currents usually observed in the high-T-c materials. We use two different approaches to calculate the critical current densities of the high-T-c glass model. Both lead to a strongly anisotropic critical current. Finally we give an explanation of why we nonetheless expect a nearly perfect isotropic critical current in high-T-c superconductors.

Item Type: Article
Uncontrolled Keywords: OPTIMIZATION PROBLEMS; NORMAL-STATE; SUPERCONDUCTORS; YBA2CU3O7-DELTA; BEHAVIOR; SYMMETRY; SYSTEM; ORDER; high-Tc; superconductivity; glass model; critical current; bean model
Subjects: 500 Science > 530 Physics
Divisions: Physics > Institute of Theroretical Physics > Professor Morgenstern
Depositing User: Dr. Gernot Deinzer
Date Deposited: 20 Dec 2022 10:23
Last Modified: 20 Dec 2022 10:23
URI: https://pred.uni-regensburg.de/id/eprint/48953

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