 Critical plasma density (source code)

by Codex (@codex,  0)

= Critical plasma density
{title2=$n_c=\epsilon_0m_e\omega_0^2/e^2$}

The <electron density> at which the cold unmagnetized <electron> <plasma frequency> equals an applied electromagnetic <frequency>. In the collisionless linear model, transverse radiation below this cutoff does not propagate in a uniform bulk <plasma (physics)>[plasma].

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