Cubic neutrons

@inproceedings{LlanesEstrada2011CubicN,
  title={Cubic neutrons},
  author={Felipe J Llanes-Estrada and Gaspar Moreno 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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