Lorentz current
= Lorentz current
{c}
{title2=$J^{\mu\rho\sigma}$}
For a symmetric conserved stress-energy tensor, the Lorentz current is $J^{\mu\rho\sigma}=x^\rho T^{\mu\sigma}-x^\sigma T^{\mu\rho}$. Its spatial integrals generate rotations and boosts.