deletions | additions       diff --git a/magnetoresistance.tex b/magnetoresistance.tex  index c46db91..a9c9141 100644  --- a/magnetoresistance.tex  +++ b/magnetoresistance.tex 
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\begin{split}  j_x &= &\frac{\sigma_0}{1 + (\omega_\textrm{c} \tau)^2} &E_x + \frac{\sigma_0 \omega_\textrm{c} \tau}{1 + (\omega_\textrm{c} \tau)^2} &E_y \\  j_y &= -&\frac{\sigma_0 \omega_\textrm{c} \tau}{1 + (\omega_\textrm{c} \tau)^2} &E_x + \frac{\sigma_0}{1 + (\omega_\textrm{c} \tau)^2} &E_y   \label{eq:current-B}   \end{split}  \label{eq:current-B}  \end{equation}  where  \begin{equation}