classical gravity
15 May 2019can you construct a Lagrange density \(\mathcal{L}(\Phi,\nabla\Phi)\) for Newtonian gravity with \(\Delta\Phi=-4\pi G\rho\)?
can you construct a Lagrange density \(\mathcal{L}(\Phi,\nabla\Phi)\) for Newtonian gravity with \(\Delta\Phi=-4\pi G\rho\)?