Testing general relativity with present and future astrophysical observations
One century after its formulation, Einstein's general relativity (GR) has made remarkable
predictions and turned out to be compatible with all experimental tests. Most of these tests …
predictions and turned out to be compatible with all experimental tests. Most of these tests …
Stellar structure models in modified theories of gravity: Lessons and challenges
The understanding of stellar structure represents the crossroads of our theories of the
nuclear force and the gravitational interaction under the most extreme conditions observably …
nuclear force and the gravitational interaction under the most extreme conditions observably …
Modified gravity and cosmology
The dawn of the twenty-first century came with very positive prospects for gravity, cosmology,
and astrophysics. Technological progress made it possible for cosmology to enter to its …
and astrophysics. Technological progress made it possible for cosmology to enter to its …
[HTML][HTML] Causal limit of neutron star maximum mass in f (R) gravity in view of GW190814
We investigate the causal limit of maximum mass for stars in the framework of f (R) gravity.
We choose a causal equation of state, with variable speed of sound, and with the transition …
We choose a causal equation of state, with variable speed of sound, and with the transition …
Approximate universal relations for neutron stars and quark stars
Neutron stars and quark stars are ideal laboratories to study fundamental physics at supra
nuclear densities and strong gravitational fields. Astrophysical observables, however …
nuclear densities and strong gravitational fields. Astrophysical observables, however …
[HTML][HTML] Anisotropic compact stars in f (R) gravity
We derive a new interior solution for stellar compact objects in\(f\mathcal {(R)}\) gravity
assuming a differential relation to constrain the Ricci curvature scalar. To this aim, we …
assuming a differential relation to constrain the Ricci curvature scalar. To this aim, we …
Mass-radius relation for neutron stars in gravity
We discuss the mass-radius diagram for static neutron star models obtained by the
numerical solution of modified Tolman-Oppenheimer-Volkoff equations in f (R) gravity where …
numerical solution of modified Tolman-Oppenheimer-Volkoff equations in f (R) gravity where …
Extreme neutron stars from extended theories of gravity
We discuss neutron stars with strong magnetic mean fields in the framework of Extended
Theories of Gravity. In particular, we take into account models derived from f (R) and f (Script …
Theories of Gravity. In particular, we take into account models derived from f (R) and f (Script …
Rotating stars in relativity
Rotating relativistic stars have been studied extensively in recent years, both theoretically
and observationally, because of the information they might yield about the equation of state …
and observationally, because of the information they might yield about the equation of state …
[HTML][HTML] Nonperturbative models of quark stars in f (R) gravity
Quark star models with realistic equation of state in nonperturbative f (R) gravity are
considered. The mass-radius relation for f (R)= R+ α R 2 model is obtained. Considering …
considered. The mass-radius relation for f (R)= R+ α R 2 model is obtained. Considering …