Neutron matter within QCD sum rules
| Title: | Neutron matter within QCD sum rules |
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| Authors: | Cai, Bao-Jun, Chen, Lie-Wen |
| Source: | Phys. Rev. C 97, 054322 (2018) |
| Publication Year: | 2017 |
| Collection: | High Energy Physics - Phenomenology Nuclear Experiment Nuclear Theory |
| Subject Terms: | Nuclear Theory, High Energy Physics - Phenomenology, Nuclear Experiment |
| More Details: | Equation of state (EOS) of pure neutron matter (PNM) is studied in QCD sum rules (QCDSR). It is found that the QCDSR results on EOS of PNM are in good agreement with predictions by current advanced microscopic many-body theories. Moreover, the higher-order density terms in quark condensates are shown to be important to describe the empirical EOS of PNM in the density region around and above nuclear saturation density although they play minor role at subsaturation densities. The chiral condensates in PNM are also studied, and our results indicate that the higher-order density terms in quark condensates, which are introduced to reasonably describe the empirical EOS of PNM at suprasaturation densities, tend to hinder the appearance of chiral symmetry restoration in PNM at high densities. Comment: 7 pages, 2 figures. Discussions added and presentation improved. Accepted version to appear in PRC |
| Document Type: | Working Paper |
| DOI: | 10.1103/PhysRevC.97.054322 |
| Access URL: | http://arxiv.org/abs/1708.01010 |
| Accession Number: | edsarx.1708.01010 |
| Database: | arXiv |
| DOI: | 10.1103/PhysRevC.97.054322 |
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