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Strange nuclear matter within Brueckner-Hartree-Fock Theory

I. Vidana·A. Polls·A. Ramos·M. Hjorth-Jensen·V. G. J. Stoks
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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, $Λ$, $Σ^0$, $Σ^+$, $Σ^-$, $Ξ^-$ and $Ξ^0$). 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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I. Vidana, A. Polls, A. Ramos, M. Hjorth-Jensen, V. G. J. Stoks. 1999-09-09. Strange nuclear matter within Brueckner-Hartree-Fock Theory. https://doi.org/10.1103/physrevc.61.025802

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