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Strange nuclear matter within Brueckner-Hartree-Fock Theory

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arxiv nucl-th/9909019 v1 pith:YR4WDQAI submitted 1999-09-09 nucl-th

I. Vidana , A. Polls , A. Ramos , M. Hjorth-Jensen , V.G.J. Stoks This is my paper · ORCID
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keywords differentmattersigmainteractionsmicroscopicnuclearpotentialsspecies
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abstract

We have developed a formalism for microscopic Brueckner-type calculations of dense nuclear matter that includes all types of baryon-baryon interactions and allows to treat any asymmetry on the fractions of the different species (n, p, $\Lambda$, $\Sigma^0$, $\Sigma^+$, $\Sigma^-$, $\Xi^-$ and $\Xi^0$). We present results for the different single-particle potentials focussing on situations that can be relevant in future microscopic studies of beta-stable neutron star matter with strangeness. We find the both the hyperon-nucleon and hyperon-hyperon interactions play a non-negligible role in determining the chemical potentials of the different species.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. In-medium $\Lambda N$ interactions with leading order covariant chiral hyperon/nucleon-nucleon forces

    nucl-th 2025-01 conditional novelty 6.0 of 10

    A relativistic Brueckner-Hartree-Fock calculation with leading-order covariant chiral hyperon-nucleon and nucleon-nucleon forces reproduces the empirical Lambda single-particle potential in nuclear matter.

  2. Neutron Star Properties and Femtoscopic Constraints

    nucl-th 2024-12 conditional novelty 5.0 of 10

    Hyperon interactions tuned to femtoscopic data still yield neutron star maximum masses of only 1.3-1.4 solar masses, leaving the hyperon puzzle unresolved.

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