I 型超导不规则八边形中的二磁响应和涡旋物质

IF 1.6 4区物理与天体物理 Q3 PHYSICS, APPLIED Journal of Superconductivity and Novel Magnetism Pub Date : 2024-05-25 DOI:10.1007/s10948-024-06758-x

C. A. Aguirre, P. Díaz, D. Laroze, J. Barba-Ortega

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摘要

在这篇论文中，我们研究了存在外磁场H的超导不规则八边形的磁化、磁感应强度和电子超导密度。我们求解了介观I型样品（\(\kappa <1/\sqrt{2}\）的单带凝聚态的时变金兹堡-朗道方程（TDGL）。我们的结果表明，在磁场（H）的上行分支中存在舒布尼科夫涡旋。此外，我们还发现了降磁场中的顺磁响应。我们认为这里提出的涡旋状态反映了超导样品的内在特征。

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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.

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来源期刊

Journal of Superconductivity and Novel Magnetism 物理-物理：凝聚态物理

CiteScore

3.70

自引率

11.10%

发文量

342

审稿时长

3.5 months

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.