Effect of exchange potential on the electrostatic waves in quantum semiconductor plasmas

Document Type : Full length research Paper

Author

Lecturer/ Arak University

Abstract

Propagation of electrostatic waves in a quantum semiconductor plasma has been investigated by a quantum hydrodynamic model in the presence of an external magnetic field. The influence of quantum effects such as Fermi pressure, Bohm potential and exchange potential on the propagation properties of electrostatic waves has been investigated. We found that the quantum effects and external magnetic field significantly modify the electrostatic wave frequency.

Keywords

Main Subjects


 
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