Cubic neutrons
@inproceedings{LlanesEstrada2011CubicN,
title={Cubic neutrons},
author={F. Llanes-Estrada and G. Navarro},
year={2011}
}The neutron is largely spherical and incompressible in atomic nuclei. These two properties are however challenged in the extreme pressure environment of a neutron star. Our variational computation within the Cornell model of Coulomb gauge QCD shows that the neutron (and also the ∆ baryon) can adopt cubic symmetry at an energy cost of about 150 MeV . Balancing this with the free energy gained by tighter neutron packing, we expose the possible softening of the equation of state of neutron matter.
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