2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/54531The gravitational analogue of the electromagnetic Meissner effect is investigated. Starting from the post-Newtonian approximation to general relativity we arrive at gravitational London equations, predicting a gravitational Meissner effect. Applied to neutron stars we arrive at a London penetration depth of 12km, which is about the size of a neutron star.Submitted to Phys. Rev. DHigh Energy Physics - TheoryAstrophysicsGeneral Relativity and Quantum Cosmologytext