自旋波与弱对比磁振子晶体相互作用的非互反特性研究

IF 0.48 Q4 Physics and Astronomy Bulletin of the Russian Academy of Sciences: Physics Pub Date : 2024-12-23 DOI:10.1134/S1062873824708043

S. V. Gerus, E. H. Lock

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引用次数: 0

摘要

实验研究了磁振子晶体中自旋波的空间-频率分布及其色散特性。尽管晶体的能量对比较弱，但仍检测到许多布里渊带的形成和两种波非互易的存在。在这两种类型中，一种是由于色散依赖于波传播方向的不对称性，另一种是由于在相反方向传播的波的空间分布之间的差异。磁振子晶体使探测和测量这些类型的非互易成为可能。

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Investigation of Nonreciprocal Characteristics of Spin Waves in Their Interaction with a Weakly Contrasting Magnon Crystal

The spatial-frequency distributions of spin waves in a magnon crystal and their dispersion characteristics were experimentally investigated. In spite of the weak energy contrast of the crystal, the formation of a number of Brillouin zones and the existence of two types of wave nonreciprocity were detected. Of the two types, one is due to the asymmetry of dispersion dependences with respect to the direction of wave propagation, and the other is due to the difference between the spatial distributions of the waves propagating in opposite directions. The magnon crystal made it possible to detect and measure these types of nonreciprocity.

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来源期刊

Bulletin of the Russian Academy of Sciences: Physics Physics and Astronomy-Physics and Astronomy (all)

CiteScore

0.90

自引率

0.00%

发文量

251

期刊介绍： Bulletin of the Russian Academy of Sciences: Physics is an international peer reviewed journal published with the participation of the Russian Academy of Sciences. It presents full-text articles (regular, letters to the editor, reviews) with the most recent results in miscellaneous fields of physics and astronomy: nuclear physics, cosmic rays, condensed matter physics, plasma physics, optics and photonics, nanotechnologies, solar and astrophysics, physical applications in material sciences, life sciences, etc. Bulletin of the Russian Academy of Sciences: Physics focuses on the most relevant multidisciplinary topics in natural sciences, both fundamental and applied. Manuscripts can be submitted in Russian and English languages and are subject to peer review. Accepted articles are usually combined in thematic issues on certain topics according to the journal editorial policy. Authors featured in the journal represent renowned scientific laboratories and institutes from different countries, including large international collaborations. There are globally recognized researchers among the authors: Nobel laureates and recipients of other awards, and members of national academies of sciences and international scientific societies.