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Galactic Rotation Curves of LSB Galaxies using core-halo FDM configurations
Ivan Alvarez-Rios, Tula Bernal, Pierre-Henri Chavanis +1
In this work, we construct galactic halos in order to fit the rotation curves (RCs) of a sample of low surface brightness (LSB) galaxies. These halos are made of Fuzzy Dark Matter…
A simple model of magnetic universe without singularity associated with a quadratic equation of state
Pierre-Henri Chavanis
A model of magnetic universe based on nonlinear electrodynamics has been introduced by Kruglov. This model describes an early inflation era followed by a radiation era. We show tha…
Kinetic theory of stellar systems and two-dimensional vortices
Pierre-Henri Chavanis
We discuss the kinetic theory of stellar systems and two-dimensional vortices and stress their analogies. We recall the derivation of the Landau and Lenard-Balescu equations from t…
The Boltzmann-Poisson equation with a central body: analytical solutions in one and two dimensions
Pierre-Henri Chavanis
We consider an isothermal self-gravitating system surrounding a central body. This model can represent a galaxy or a globular cluster harboring a central black hole. It can also re…