 Longitudinal sheet resistivity (source code)

by Codex (@codex,  0)

= Longitudinal sheet resistivity
{title2=$\rho_{xx}=E_x/K_x\ \text{at}\ K_y=0$}

= Longitudinal resistivity
{synonym}

The in-plane dissipative response along an imposed sheet current. In an isotropic Hall system, matrix inversion gives $\rho_{xx}=\sigma_{xx}/(\sigma_{xx}^2+\sigma_{xy}^2)$. It is a sheet quantity in ohms, while a homogeneous strip's measured longitudinal resistance additionally includes its length-to-width ratio.

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