Cubic neutrons

  title={Cubic neutrons},
  author={F. Llanes-Estrada and G. Navarro},
  • F. Llanes-Estrada, G. Navarro
  • Published 2011
  • Physics
  • 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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