2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/33570By considering full-field string solutions of the Abelian--Higgs model, we modify the model of a fluid of strings (which is composed of Nambu strings) to obtain a model for a ``fluid of vortices.'' With this model, and following closely Soleng's proposal of a fluid of strings as the source of a Milgrom-type correction to the Newton dynamics, we determine quantitatively the modified dynamics generated by a static, spherical fluid of vortices.REVTeX, 9 PostScript figures with psfigGeneral Relativity and Quantum CosmologyAstrophysicstext