块状 n-Gaas 样品光冷核自旋相关谱中的偶极-偶极和四极相互作用的表现形式

IF 0.6 4区物理与天体物理 Q4 PHYSICS, CONDENSED MATTER

Semiconductors Pub Date : 2024-03-15 DOI:10.1134/s1063782623020112

V. M. Litvyak, R. V. Cherbunin, F. Yu. Soldatenkov, V. K. Kalevich, K. V. Kavokin

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引用次数: 0

摘要

摘要在这项工作中，我们测量了块状 n-GaAs 晶体在零磁场中光冷却核自旋系统的相关谱。得到的光谱由两条等值线描述，可以解释为核自旋参与了两种类型的相互作用。我们分析了在砷化镓晶格经典磁矩模型中测量到的频谱。分析表明，频谱高频部分的主要贡献来自偶极-偶极相互作用，而低频部分的主要贡献来自四极相互作用。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Manifestation of Dipole-Dipole and Quadrupole Interactions in the Correlator Spectrum of Optically Cooled Nuclear Spins of a Bulk n-Gaas Sample

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Manifestation of Dipole-Dipole and Quadrupole Interactions in the Correlator Spectrum of Optically Cooled Nuclear Spins of a Bulk n-Gaas Sample

Abstract

In this work, we measured the correlator spectrum of optically cooled nuclear spin system of a bulk n-GaAs crystal in a zero magnetic field. The resulting spectrum is described by two contours, which can be interpreted as the participation of nuclear spins in two types of interactions. We analyzed the measured spectrum in the model for classical magnetic moments in the GaAs lattice. The analysis showed that the main contribution to the high-frequency part of the spectrum is due to the dipole-dipole interaction, and that to the low-frequency part is due to the quadrupole interaction.

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来源期刊

Semiconductors 物理-物理：凝聚态物理

CiteScore

1.50

自引率

28.60%

发文量

131

审稿时长

3-6 weeks

期刊介绍： Publishes the most important work in semiconductor research in the countries of the former Soviet Union. Covers semiconductor theory, transport phenomena in semiconductors, optics, magnetooptics, and electrooptics of semiconductors, semiconductor lasers and semiconductor surface physics. The journal features an extensive book review section.