Magnetic Lyddane-Sachs-Teller Relation

IF 9 1区物理与天体物理 Q1 PHYSICS, MULTIDISCIPLINARY Physical review letters Pub Date : 2025-02-26 DOI:10.1103/physrevlett.134.086703

Viktor Rindert, Vanya Darakchieva, Tapati Sarkar, Mathias Schubert

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Abstract

We describe a magnetic relation in analogy to the well-known dielectric Lyddane-Sachs-Teller relation [R. H. Lyddane , ]. This magnetic relation follows directly from the model equations for nuclear induction due to fast oscillating electromagnetic fields [F. Bloch, ] and relates the static permeability with the product over all ratios of antiresonance and resonance frequencies associated with all magnetic excitations within a given specimen. The magnetic relation differs significantly from its dielectric analog where the static properties are related to ratios of the squares of resonance frequencies. We demonstrate the validity of the magnetic Lyddane-Sachs-Teller relation using optical magnetization data from terahertz electron magnetic resonance spectroscopic ellipsometry measurements in the presence of an external magnetic field on an iron-doped semiconductor crystal of gallium nitride.

Published by the American Physical Society

2025

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磁性Lyddane-Sachs-Teller关系

我们用著名的电介质Lyddane-Sachs-Teller关系来描述磁关系[R]。H.勒丹。这种磁关系直接由快速振荡电磁场引起的核感应模型方程推导而来[F]。并将静态磁导率与给定样品内所有磁激励相关的反共振和共振频率的所有比率的乘积联系起来。磁关系与介电模拟物有很大的不同，介电模拟物的静态特性与共振频率的平方比有关。我们利用太赫兹电子磁共振光谱椭偏测量的光磁化数据，在外加磁场存在的情况下，证明了磁性Lyddane-Sachs-Teller关系的有效性。2025年由美国物理学会出版

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Physical review letters 物理-物理：综合

CiteScore

16.50

自引率

7.00%

发文量

2673

审稿时长

2.2 months

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