XVII Polish Workshop on Relativistic Heavy-Ion Collisions: Phase diagram and Equation of State of strongly interacting matter

Towards accurate modeling of neutron star crust properties and what we can learn from them about the core

14 Dec 2024, 10:10

25m

Faculty of Physics (Warsaw University of Technology)

Session 1

Speaker

Gabriel Wlazłowski (Warsaw University of Technology)

Description

The density functional theory (DFT) is one of physics's most popular methods for simulating systems' microscopic properties. It allows for studies of many-body Fermi systems' static, dynamic, and thermodynamic properties in a unified framework while keeping the numerical cost at the same level as the mean-field approach. The development of (super)computing techniques in the last decade allows for DFT approaches to track the microscopic dynamics of systems consisting of tens of thousands of strongly interacting particles. In this seminar, I will discuss joint progress in nuclear and ultracold Fermi gas physics and high-performance computing in the context of constructing a general-purpose tool for modeling neutron star crust 1. I will also present how the accurate modeling of neutron crust properties can constrain the properties of the star's core.

1 D. Pȩcak, A. Zdanowicz, N. Chamel, P. Magierski, G. Wlazłowski, Time-dependent nuclear energy-density functional theory toolkit for neutron star crust: Dynamics of a nucleus in a neutron superfluid, Phys. Rev. X 14, 041054 (2024)