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EYM equations in the presence of q-stars
Athanasios Prikas
We study Einstein-Yang-Mills equations in the presence of gravitating non-topological soliton field configurations, of q-ball type. We produce numerical solutions, stable with resp…
Q-stars in 2+1 dimensions
Athanasios Prikas
We study q-stars with one or two scalar fields, non-abelian, and fermion-scalar q-stars in 2+1 dimensions in an anti de Sitter or flat spacetime. We fully investigate their propert…
Q-stars in extra dimensions
Athanasios Prikas
We study q-stars with global and local U(1) symmetry in extra dimensions in asymptotically anti de Sitter or flat spacetime. The behavior of the mass, radius and particle number of…
Q-stars in anti de Sitter spacetime
Athanasios Prikas
We study q-stars with various symmetries in anti de Sitter spacetime in 3+1 dimensions. Comparing with the case of flat spacetime, we find that the value of the field at the center…