T-2, Nuclear and Particle Physics, Astrophysics and Cosmology

Predicting nuclear matter at finite-temperature with the use of chiral interactions

Arianna Carbone

Advancing the study of infinite nuclear matter has important implications on many branches of nuclear science: from the bulk properties of exotic nuclei to the equation of state of neutron star matter. After we have extended the self-consistent Green’s function (SCGF) theory to account for three-nucleon forces, it is now possible to make reliable predictions of nucleonic matter at both zero and finite temperatures and with full chiral interactions, a task that was not possible until some years ago. The talk will present the SCGF approach as a very convenient way to investigate microscopic and thermodynamical properties of nucleonic matter. We will see how the prediction of the liquid-gas phase transition critical temperature in symmetric matter appears to be in reasonable agreement with experimental outcomes. Furthermore, I will present first-principle tests of thermal approximations used in equations of state to study stellar processes, which questions the validity of such astrophysical simulations.


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