Correlations imposed by the unitary limit between few-nucleon systems, nuclear matter, and neutron stars

Physical Review Letters
A KievskyL Girlanda

Abstract

The large values of the singlet and triplet two-nucleon scattering lengths locate the nuclear system close to the unitary limit. This particular position strongly constrains the low-energy observables in the three-nucleon system as depending on one parameter, the triton binding energy, and introduces correlations in the low-energy sector of light nuclei. Here we analyze the propagation of these correlations to infinite nuclear matter showing that its saturation properties, the equation of state of β-stable nuclear matter, and several properties of neutron stars, as their maximum mass, are well determined solely by a few number of low-energy quantities of the two- and three-nucleon systems. In this way we make a direct link between the universal behavior observed in the low-energy region of few-nucleon systems and fundamental properties of nuclear matter and neutron stars.

References

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Sep 26, 2012·Physical Review Letters·Olga MachteyLev Khaykovich
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Dec 30, 2017·Physical Review Letters·J CarlsonS A Vitiello

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Citations

Apr 28, 2020·Physical Review Letters·William G DawkinsAlexandros Gezerlis

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