Light Scattering from Solid State Plasmas
Light scattering from plasmas has been extensively studied during the past decade. Initially, this work was concerned with gaseous plasmas, but more recently the technique has been used to study plasmas in solids. Detailed theories of the scattering phenomenon have been developed for the case of the classical plasma. This work indicates that the spectrum of radiation scattered from a plasma should consist of two distinct pieces; a single particle portion and a collective part. Single particle scattering is caused by individual moving electrons in the plasma, and is nearly elastic. This portion of the spectrum directly mirrors the electron velocity distribution, and can be used to determine it. In addition, there is collective mode scattering due to plasma waves in the electron gas.
KeywordsGaAs Gallium Arsenide
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