Triplet pairing in neutron matter in a comprehensive diagrammatic approach
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arXiv
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| Autores principales: | , , |
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| Formato: | Preprint |
| Publicado: |
2025
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| _version_ | 1866915644543336448 |
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| author | Papakonstantinou, Panagiota Krotscheck, Eckhard Wang, Jiawei |
| author_facet | Papakonstantinou, Panagiota Krotscheck, Eckhard Wang, Jiawei |
| contents | We apply a large-scale summation of Feynman diagrams, including the class of parquet diagrams plus important contributions outside the parquet class, for calculating effective pairing interactions and subsequently the superfluid gap in P-wave pairing in neutron matter. We use realistic nucleon-nucleon interactions of the $v_8$ type and perform calculations up to a Fermi momentum of 1.8 fm$^{-1}$. We find that many-body correlations lead to a strong reduction of the spin-orbit interaction, and, therefore, to a radical suppression of the $^3P_2-^3F_2$ gap and an enhancement of the $^3P_0$ gap. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2512_00099 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Triplet pairing in neutron matter in a comprehensive diagrammatic approach Papakonstantinou, Panagiota Krotscheck, Eckhard Wang, Jiawei Nuclear Theory We apply a large-scale summation of Feynman diagrams, including the class of parquet diagrams plus important contributions outside the parquet class, for calculating effective pairing interactions and subsequently the superfluid gap in P-wave pairing in neutron matter. We use realistic nucleon-nucleon interactions of the $v_8$ type and perform calculations up to a Fermi momentum of 1.8 fm$^{-1}$. We find that many-body correlations lead to a strong reduction of the spin-orbit interaction, and, therefore, to a radical suppression of the $^3P_2-^3F_2$ gap and an enhancement of the $^3P_0$ gap. |
| title | Triplet pairing in neutron matter in a comprehensive diagrammatic approach |
| topic | Nuclear Theory |
| url | https://arxiv.org/abs/2512.00099 |