A new two-stream instability mode in magnetized quantum plasma

Haas, Fernando and Eliasson, Bengt (2015) A new two-stream instability mode in magnetized quantum plasma. Physica Scripta, 90 (8). 088005. ISSN 0031-8949

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    Abstract

    A new transverse mode in a two-stream magnetized quantum plasma is studied by means of a quantum hydrodynamic model, under non-relativistic and ideal Fermi gas assumptions. It is found that Fermi pressure effects induce a minimum cutoff wavelength for instability, unlike the classical case which is unstable for larger wavenumbers. The external magnetic field is also shown to produce a stabilizing effect. Conditions for the applicability of the model and specific parameters for experimental observations are thoroughly discussed.