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arXiv 2103.00626nucl-th
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对称核物质非相对论模型的临界参数分析

Analysis of critical parameters for nonrelativistic models in symmetric nuclear matter

Mariana Dutra, Odilon Lourenço, Xavier Viñas, C. Mondal

摘要:

在这项工作中,我们分析了对称核物质(SNM)在有限温度下的几个特点所描述的不同的零和有限范围的非相对论性家庭的模型,即Skyrme,Gogny,动量依赖的相互作用(MDI),密歇根州的三范围汤川(M3 Y)和简单有效的相互作用(SEI)。从这些参数化中计算了核物质液-气相共存的临界参数(CP),并表明它们与文献中得到的实验值和理论值是一致的。我们的研究还指出了强有力的证据的普遍性所提出的强子模型,即,模型的独立性在气相中和不同的相互作用在液相中的兼容性。我们已经进行了不同的CP和SNM属性之间的相关性研究。这样的研究涉及不同的有限程相互作用是罕见的文献。分析的模型表明,作为临界压力的函数,临界温度总体上呈上升趋势。

英文摘要:

In this work we have analyzed several features of symmetric nuclear matter (SNM) at finite temperature described by different zero- and finite-range nonrelativistic families of models, namely, Skyrme, Gogny, Momentum-dependent interaction (MDI), Michigan three-range Yukawa (M3Y) and Simple Effective Interaction (SEI). We have calculated the critical parameters (CP) associated to the liquid-gas phase coexistence for nuclear matter from these parametrizations and show that they are in agreement with their experimental and theoretical values obtained in the literature. Our study also points out to a strong evidence of universality presented by the hadronic models, namely, model independence in the gaseous phase and distinguishability among different interactions in the liquid phase. We have performed a correlation study among different CP and SNM properties. Such studies involving different finite range interactions are scarce in literature. The analyzed models show an overall increasing trend of the critical temperature as a function of critical pressure.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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