Newtonian gauge (source code)

= Newtonian gauge
{c}
{wiki}

= Newtonian gauge in cosmology
{c}
{synonym}

= Conformal Newtonian gauge
{synonym}

Newtonian gauge removes scalar shear and writes scalar metric perturbations in terms of gravitational potentials. The fluid Euler equation then contains an explicit gradient of the Newtonian potential.