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Muonic knight shift for simple metals in a linear-response model

Мюонный сдвиг Найта для простых металлов в модели линейного отклика

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Il Nuovo Cimento B (1971-1996)

Summary

The hyperfine contribution to the magnetic field at the μ+ site is calculated in the elementary dielectric-constant theory, which reveals to be suitable for simple metals, especially in the low-electron-density range. The model is compared with latest experimental data with better agreement than any previous theory, but still not in a completely satisfactory way. Other contributions to the μ+ precession frequency shift are discussed.

Riassunto

È stato calcolato il contributo iperfine al campo magnetico nel posto occupato dal μ+, nell’ambito della teoria elementare della costante dielettrica, che si rivela appropriata per i metalli semplici, specialmente nell’intervallo di basse densità elettroniche. Si è confrontato questo modello con i più recenti dati sperimentali, ottenendo un accordo migliore di quello di tutte le precedenti teorie, ma ancora non del tutto soddisfacente. Si sono disenssi altri possibili contributi allo spostamento della frequenza di precessione del μ+.

Резюме

Вычисляется сверхтонкий вклад в магнитное поле в местонахождении gm+ в рамках элементарной теории диэлектрической постоянной, которая оказывается подходяшей для простых металлов, особенно в области низкой электронной плотности. Эта модель сравнивается с последними экспериментальными данными. Получается более удовлетворительное согласие, чем все предыдущие теории. Обсуждаются другие вклады в сдвиг частоты прецессии μ+.

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De Renzi, R., Dallacasa, V. Muonic knight shift for simple metals in a linear-response model. Nuov Cim B 61, 353–360 (1981). https://doi.org/10.1007/BF02721336

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  • DOI: https://doi.org/10.1007/BF02721336

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