Functional renormalization group approach to neutron matter
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...
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| Veröffentlicht in: | arXiv.org 2014-09 |
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| creator | Drews, Matthias Weise, Wolfram |
| description | 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. |
| doi_str_mv | 10.48550/arxiv.1404.0882 |
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| subjects | Density Equations of state Many body interactions Neutrons Nuclear matter Physics - High Energy Physics - Phenomenology Physics - Nuclear Theory Restoration Variations |
| title | Functional renormalization group approach to neutron matter |
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