Collective Modes of an Electron-Hole System in a Magnetic Field

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概要

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• Dispersion relations for longitudinal oscillations of an interacting electron-hole system exposed to a magnetic field are investigated quantum-mechanically in the scheme of the random phase approximation. There exist three collective modes in the long wavelength limit. The dependence on the direction of propagation and the behaviors of polarization are investigated. It is shown that the frequency of the lowest mode approaches zero as the propagation-direction becomes perpendicular to the magnetic field. In the highest frequency mode the electron and the hole systems make an out-of-phase oscillation with each other. The behaviors of polarization of the intermediate and the lowest modes depend on the propagation-direction as well as the strength of the magnetic field.

• 社団法人日本物理学会の論文
• 1974-04-15

著者

• Noto Hiromi

  Department Of Applied Physics Faculty Of Engineering Nagoya University

関連論文

• Collective Modes of a Multicomponent Plasma in a Magnetic Field
• Collective Modes of an Electron-Hole System in a Magnetic Field. II. : Anisotropic Case
• Collective Modes of an Electron-Hole System in a Magnetic Field
• Collective Modes of an Electron-Hole System in a Magnetic Field. III

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