C. A. Aguirre, P. Díaz, D. Laroze, J. Barba-Ortega
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Diamagnetic Response and Vortex Matter in a Type-I Superconducting Irregular Octagon
In this contribution, we studied the magnetization, magnetic susceptibility, and electronic superconducting density of a superconducting irregular octagon in the presence of an external magnetic field H. We solved the time-dependent Ginzburg-Landau equations (TDGL) for a one-band condensate for a mesoscopic type-I sample (\(\kappa <1/\sqrt{2}\)). Our results show the existence of Shubnikov-vortices in the up-branch of the magnetic field (H). Also, we found a paramagnetic response in descending field. We think that the vortex state proposed here reflect intrinsic features of the superconducting sample.
期刊介绍：
The Journal of Superconductivity and Novel Magnetism serves as the international forum for the most current research and ideas in these fields. This highly acclaimed journal publishes peer-reviewed original papers, conference proceedings and invited review articles that examine all aspects of the science and technology of superconductivity, including new materials, new mechanisms, basic and technological properties, new phenomena, and small- and large-scale applications. Novel magnetism, which is expanding rapidly, is also featured in the journal. The journal focuses on such areas as spintronics, magnetic semiconductors, properties of magnetic multilayers, magnetoresistive materials and structures, magnetic oxides, etc. Novel superconducting and magnetic materials are complex compounds, and the journal publishes articles related to all aspects their study, such as sample preparation, spectroscopy and transport properties as well as various applications.
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