Luca Parisi, Ninfa Radicella,Ninfa Radicella,Luca ParisiGaetano Vilasi2020-09-172020-09-172015-03-01https://hdl.handle.net/20.500.13025/4630The Kantowski-Sachs cosmological model sourced by a Skyrme field and a cosmological constant is considered in the framework of general relativity. Assuming a constant radial profile function α=π/2 for the hedgehog ansatz, the Skyrme contribution to Einstein equations is shown to be equivalent to an anisotropic fluid. Using dynamical system techniques, a qualitative analysis of the cosmological equations is presented. Physically interesting features of the model such as isotropization, bounce and recollapse are discussed.CosmologyKantowski-SachsSkyrmionsDynamical Systems.Article Journal10.1103/PhysRevD.91.063533http://journals.aps.org/prd/abstract/10.1103/PhysRevD.91.063533570cbfa56c5e1b0ece3cd9ba