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Light scattering from a fermi liquid

Рассеяние света ферми-жидкостью

  • Published:
Il Nuovo Cimento B (1971-1996)

Summary

Light scattering from a Fermi liquid is considered. The generalized self-consistent field method is introduced to calculate the scattering spectra. The cross-section is related to the fluctuation in the Landau quasi-particle density operator ϱ. In the presence of a constant magnetic field the equation of motion for ϱ ink-space is obtained by introducing an appropriate transformation. The connection with the Boltzmann transport equation is shown. A brief application to the study of Raman scattering by magnetoplasma waves is given.

Riassunto

Si esamina la diffusione della luce da parte di un liquido di Fermi. Si introduce il metodo del campo generalizzato autoconsistente per calcolare gli spettri di diffusione. Si mette in relazione la sezione d’urto alle fluttuazioni dell’operatore ϱ della densità di quasi-particella di Landau. Introducendo una trasformazione appropriata si ottiene l’equazione del moto di ϱ nello spaziok in presenza di un campo magnetico costante. Si mostra la connessione con l’equazione di trasporto di Boltzmann. Si espone una breve applicazione allo studio della diffusione di Raman da parte di onde di magnetoplasma.

Резюме

Рассматривается рассеяние света ферми-жидкостью. Для вычисления спектров рассеяния вводится обобщенный метод само-согласованного поля. Поперечное сечение связано с флуктуацией в операторе плотности квазичастиц Ландау, ϱ. С помощью соответствующего преобразования выводится уравнение для ϱ вk-пространстве при наличии постоянного магнитного поля. Отмечается связь с транспортным уравнением Боляцмана. Предлагается использоватя полученные результаты для иследования рамановского рассеяния плазмомагнитными волнами.

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Authors and Affiliations

  1. Instituto de Física «Gleb Wataghin», Universidade Estadual de Campinas, Campinas

    A. R. Vasconcellos & R. Luzzi

Authors
  1. A. R. Vasconcellos
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  2. R. Luzzi
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Work supported in part by CNPq and MINIPLAN.

Traduzione a cura della Redazione.

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Vasconcellos, A.R., Luzzi, R. Light scattering from a fermi liquid. Nuovo Cim B 23, 335–344 (1974). https://doi.org/10.1007/BF02723640

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