E-cross-B drift (source code)

= E-cross-B drift
{c}
{title2=$\mathbf E\times\mathbf B/B^2$}
{wiki}

In uniform perpendicular electric and magnetic fields, a charged particle's cyclotron orbit has guiding-centre velocity
$$
\mathbf v_D=\frac{\mathbf E\times\mathbf B}{B^2},
$$
independent of its charge and mass.