IEVref: 705-06-10 ID: Language: en Status: Standard Term: plasma frequency (electronic) Synonym1: Synonym2: Synonym3: Symbol: Definition: the oscillation frequency at which a plasma, locally disturbed by an excess or depletion of electrons, reverts to its macroscopic state of neutral equilibrium, supposing that the ions remain fixed in position NOTE – The plasma frequency fp is given by the equation: ${f}_{p}=\frac{e}{2\pi }\sqrt{\frac{{n}_{\text{e}}}{m{\epsilon }_{0}}}$ where e is the electron charge, m is the electron mass, ne is the electron density, ε0 is the electric constant. Publication date: 1995-09 Source: Replaces: Internal notes: 2017-06-02: Cleanup - Remove Attached Image 705-06-10.gif CO remarks: TC/SC remarks: VT remarks: Domain1: Domain2: Domain3: Domain4: Domain5: