Dynamical scheme for computing the mass parameter of a system in a medium
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arXiv
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| Autori principali: | , , , |
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| Natura: | Preprint |
| Pubblicazione: |
2025
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| _version_ | 1866912640073203712 |
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| author | Zdanowicz, Agata Pęcak, Daniel Magierski, Piotr Wlazłowski, Gabriel |
| author_facet | Zdanowicz, Agata Pęcak, Daniel Magierski, Piotr Wlazłowski, Gabriel |
| contents | We present a new method for extracting a mass parameter using time-dependent density functional theory for an arbitrary physical system, provided the adiabatic limit is achievable. This approach works for collective variables also in the presence of a medium, in particular for the nuclei interacting with a neutron background. We apply the method to extract mass parameters of impurities in the neutron star crust, like their inertial masses and quadrupole mass parameters. The extracted mass parameters at various depths of the inner crust are compared with other methods, including the hydrodynamic approach. The presented method opens avenues for the construction of an effective model of neutron star crust grounded in microscopic calculations. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2507_05746 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Dynamical scheme for computing the mass parameter of a system in a medium Zdanowicz, Agata Pęcak, Daniel Magierski, Piotr Wlazłowski, Gabriel Nuclear Theory High Energy Astrophysical Phenomena Superconductivity We present a new method for extracting a mass parameter using time-dependent density functional theory for an arbitrary physical system, provided the adiabatic limit is achievable. This approach works for collective variables also in the presence of a medium, in particular for the nuclei interacting with a neutron background. We apply the method to extract mass parameters of impurities in the neutron star crust, like their inertial masses and quadrupole mass parameters. The extracted mass parameters at various depths of the inner crust are compared with other methods, including the hydrodynamic approach. The presented method opens avenues for the construction of an effective model of neutron star crust grounded in microscopic calculations. |
| title | Dynamical scheme for computing the mass parameter of a system in a medium |
| topic | Nuclear Theory High Energy Astrophysical Phenomena Superconductivity |
| url | https://arxiv.org/abs/2507.05746 |