Charge and current densities

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$\begin{displaymath}\rho({\bf x},t) = \sum_{\alpha} q_{\alpha} n_{\alpha} \end{displaymath}$

(3.16)

$\begin{displaymath}{\bf J} ({\bf x},t) = \sum_{\alpha} q_{\alpha} n_{\alpha} \langle {\bf v}_{\alpha} \rangle \end{displaymath}$

(3.17)

Iver Cairns
1999-08-09