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A plasma can be created by heating a gas or subjecting it to a strong electromagnetic field applied with a laser or microwave generator. This decreases or increases the number of electrons, creating positive or negative charged particles called ions, and is accompanied by the dissociation of molecular bonds, if present. The conditions for the existence of plasma wave instabilities in the plasma formed by the electrons and holes in semiconductors are discussed. The dispersion relations for both the high-frequency optical mode in which electrons and holes move out of phase, and the low-frequency acoustic mode in which electrons and holes move in phase are calculated.
Related journals of Solid State Plasmas
Aeronautics & Aerospace Engineering, Research & Progress of Solid State Electronics, Physics of the Solid State, Soviet Physics, Solid State, Physics Letters, Section A: General, Atomic and Solid State Physics, Journal of physics. C. Solid state physics, Journal of Solid State Chemistry, Journal of Solid State Electrochemistry, Physica Status Solidi (C) Current Topics in Solid State Physics