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Stability and instability of strange dwarfs
Francesco Di Clemente, Alessandro Drago, Prasanta Char +1
More than 20 years ago, Glendenning, Kettner and Weber proposed the existence of stable white dwarfs with a core of strange quark matter. More recently, by studying radial modes, A…
The scenario of two families of compact stars 2. Transition from hadronic to quark matter and explosive phenomena
Alessandro Drago, Giuseppe Pagliara
We will follow the two-families scenario described in the accompanying paper, in which compact stars having a very small radius and masses not exceeding about 1.5 are made…
The scenario of two families of compact stars 1. Equations of state, mass-radius relations and binary systems
Alessandro Drago, Andrea Lavagno, Giuseppe Pagliara +1
We present several arguments which favor the scenario of two coexisting families of compact stars: hadronic stars and quark stars. Besides the well known hyperon puzzle of the phys…
Is there a "-isobar puzzle" in the physics of neutron stars?
Alessandro Drago, Andrea Lavagno, Giuseppe Pagliara +1
We discuss the formation of isobars in neutron star matter. We show that their threshold density strictly correlates with the density derivative of the symmetry energy of nucle…
Masses and radii of neutron and quark stars
Alessandro Drago, Andrea Lavagno
We discuss new limits on masses and radii of compact stars and we conclude that they can be interpreted as an indication of the existence of two classes of stars: "normal" compact…