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A detailed analysis of dipolar interactions in arrays of bi-stable magnetic nanowires

机译:对双稳态磁性纳米线阵列中偶极相互作用的详细分析

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摘要

The investigation of the role of interactions in magnetic wire arrays is complex and often involves substantial simplifications. In this paper analytical expressions taking into consideration the geometry of the wires and dipolar interactions between them have been obtained. An expansion of these terms, at first order, can be easily evaluated and shows a good agreement with the total expression for the energy. The extent of the interwire magnetostatic coupling has also been investigated, and it is shown that the number of wires required to reach a size independent magnetic state in the array strongly depends on the relative magnetic orientation of the wires.
机译:对相互作用在电磁线阵列中的作用的研究很复杂,通常涉及很多简化。在本文中,已经获得了考虑导线几何形状和导线之间的偶极相互作用的解析表达式。可以轻松地评估这些项的一阶扩展,并与能量的总表达式显示出很好的一致性。还研究了线间静磁耦合的程度,并且显示出达到阵列中与尺寸无关的磁性状态所需的线数强烈地取决于线的相对磁取向。

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