2014/04/30 by Matthias Drews, Wolfram Weise · 24 citations
Physics and Astronomy · #Baryon #Functional renormalization group #Mathematical physics #Neutron #Nuclear matter #Nuclear physics #Nucleon #Particle physics #Physics #Pulsars and Gravitational Waves Research #Quantum Chromodynamics and Particle Interactions #Quantum electrodynamics #Quantum, superfluid, helium dynamics #Renormalization #Renormalization group #hep-ph #nucl-th
paper · pdf · doi:10.1016/j.physletb.2014.09.051
published in Physics Letters B 738, 187-190 (Elsevier BV) · 5 pages, 4 figures, to appear in Phys. Lett. B
openalex publication_date 2014/09/26 · arxiv created 2014/09/30 · arxiv updated 2014/12/25 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/05
The chiral nucleon-meson model, previously applied to systems with equal number of neutrons and protons, is extended to asymmetric nuclear matter. Fluctuations are included in the framework of the functional renormalization group. The equation of state for pure neutron matter is studied and compared to recent advanced many-body calculations. The chiral condensate in neutron matter is computed as a function of baryon density. It is found that, once fluctuations are incorporated, the chiral restoration transition for pure neutron matter is shifted to high densities, much beyond three times the density of normal nuclear matter.