Light clusters in the liquid proto-neutron star inner crust
Being born hot from core-collapse supernova, the crust of the proto-neutron star is expected to be made of a Coulomb liquid and composed of an ensemble of different nuclear species. In this work, we study the beta-equilibrated proto-neutron-star crust in the liquid phase in a self-consistent multi-c...
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| Veröffentlicht in: | The European physical journal. A, Hadrons and nuclei Hadrons and nuclei, 2023-12, Vol.59 (12), Article 292 |
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| container_title | The European physical journal. A, Hadrons and nuclei |
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| creator | Dinh Thi, H. Fantina, A. F. Gulminelli, F. |
| description | Being born hot from core-collapse supernova, the crust of the proto-neutron star is expected to be made of a Coulomb liquid and composed of an ensemble of different nuclear species. In this work, we study the beta-equilibrated proto-neutron-star crust in the liquid phase in a self-consistent multi-component approach, employing a compressible liquid-drop description of the ions including the ion centre-of-mass motion. Particular care is also devoted to the calculation of the rearrangement term, thus ensuring thermodynamic consistency. We compare the results of the multi-component plasma calculations with those obtained within a one-component (single-nucleus) approach, showing that important differences arise between the predictions of the two treatments. In particular, the abundances of helium clusters become important using a complete multi-component plasma approach, and eventually dominate the whole distribution at higher temperature in the crust. |
| doi_str_mv | 10.1140/epja/s10050-023-01199-x |
| format | Article |
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| subjects | Astrophysics Hadrons Heavy Ions Nuclear Fusion Nuclear Physics Nuclear Theory Particle and Nuclear Physics Physics Physics and Astronomy Regular Article - Theoretical Physics The Nuclear Many-Body Problem |
| title | Light clusters in the liquid proto-neutron star inner crust |
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