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The nucleonic thermal conductivity of “pastas” in neutron star matter
Nuclear Physics A ( IF 1.7 ) Pub Date : 2020-08-10 , DOI: 10.1016/j.nuclphysa.2020.122004
C.O. Dorso , A. Strachan , G.A. Frank

This investigation explores the nucleonic thermal conductivity of nuclear star matter as it undergoes the “topological” transition to the “pasta” regime, and further down to the solid-liquid phase transition. The study was carried out using molecular dynamics simulations with nuclear potentials embedded in an effective (i.e. Thomas-Fermi) Coulomb potential. The nucleonic thermal conductivity experiences a dramatic change within a narrow temperature interval around T1 MeV. This change accompanies the “pasta” breakdown during a heating process. The nucleonic thermal conductivity, by flipping protons' or neutrons' velocity, further shows a decoupling for asymmetric nuclear star matter.



中文翻译:

中子星体中“面糊”的核子热导率

这项研究探索了核星状物质经历“拓扑”过渡到“意大利面”状态,再到固-液相转变时的核子热导率。该研究是使用分子动力学模拟进行的,其中将核势嵌入有效(Thomas-Fermi)库仑势中。核子的热导率在一个狭窄的温度区间内经历了巨大的变化Ť1个MeV。这种变化伴随着加热过程中的“意大利面”击穿。通过翻转质子或中子的速度,核子的热导率进一步显示了非对称核星物质的解耦。

更新日期:2020-08-10
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