Short-range correlations in isospin symmetric and asymmetric nuclear matter: a microscopic perspective

Francesca Sammarruca

doi:10.1103/physrevc.90.064312

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arXiv · 1409.3999

Short-range correlations in isospin symmetric and asymmetric nuclear matter: a microscopic perspective

Francesca Sammarruca

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Abstract

Short-range correlations in nuclear and neutron matter are examined through the properties of the correlated wave function obtained by solving the Bethe-Goldstone equation. Tensor correlations are explored through the dominant tensor-driven transition and central correlations through the singlet and triplet S waves. Predictions from a popular meson-theoretic nucleon-nucleon potential employed in the Dirac-Brueckner-Hartree-Fock approach are compared with those from two- and three-body high-quality chiral interactions in Brueckner G-matrix calculations. Short-range correlations in symmetric matter are remarkably stronger than in neutron matter. It is found that short-range correlations are very model dependent and have a large impact on the symmetry energy above normal density.

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Francesca Sammarruca. 2014-12-05. Short-range correlations in isospin symmetric and asymmetric nuclear matter: a microscopic perspective. https://doi.org/10.1103/physrevc.90.064312

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