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交变磁性及其与超导相互作用的研究进展

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交变磁性(Altermagnetism)以其特有的动量空间依赖的自旋劈裂、破缺时间反演对称性和零净磁矩等性质,成为近期研究铁磁、反铁磁以外最热门的磁性体系.鉴于磁性与超导的相互作用研究一直是超导领域探索新物理的重要平台,本文总结了近年来交变磁性的新进展,以及交变磁性与超导相互作用中得到的超导新物理.在与超导的相互作用中,交变磁性的特殊磁性性质可能诱导出有限动量配对等新奇超导态,不仅丰富了超导领域的研究,在输运上的非互易性质对于实现超导二极管效应,以及对超导自旋电子学的发展也有重要意义.
Research Progress on the Altermagnetism and Its Interplay with Superconductivity
In recent years,altermagnetism,with its unique momentum-space-dependent spin splitting,broken time-reversal symmetry,and zero net magnetic moment,has become the most popular magnetic system beyond ferromagnetism and antiferromagnetism.Given that the study of the interplay of magnetism and superconductivity has always been an important platform for exploring new quantum physics,this article summarizes the new progress in altermagnetism in recent years,as well as the emergence of novel phenomena from its interplay with superconductivity.By interacting with superconductivity,the special magnetic properties of altermagnetism may induce the finite-momentum pairing,which not only enriches the research in the field of superconductivity,but also has important implications for the realization of the superconducting diode effect and the development of superconducting spintronics through the nonreciprocal transport properties.

altermagnetismsuperconductivityfinite-momentum pairingsuperconducting diode effect

李宇

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河南省科学院量子材料与物理研究所,郑州 450046

交变磁性 超导 有限动量配对 超导二极管效应

2025

河南科学
河南省科学院

河南科学

影响因子:0.391
ISSN:1004-3918
年,卷(期):2025.43(1)