极端条件下非定域可分作用手征夸克模型的强相互作用物质
Strong-interaction matter under extreme conditions from chiral quark models with nonlocal separable interactions
摘要:
本文综述了具有可分离相互作用的有效非定域类NJL手征夸克模型的研究现状,重点介绍了该模型在描述极端条件下强子和夸克物质性质方面的应用.这些分析包括对真空中各种强子性质的预测,以及对有限温度和/或密度下系统的解除禁闭和手征回复相变特征的研究。我们还解决了其他相关的主题,如相变的研究虚化学势,可能存在的非均匀相区,存在的颜色超导性,由强外部磁场产生的影响,并应用到紧凑的恒星物体的描述。
英文摘要:
We review the current status of the research on effective nonlocal NJL-like chiral quark models with separable interactions, focusing on the application of this approach to the description of the properties of hadronic and quark matter under extreme conditions. The analysis includes the predictions for various hadron properties in vacuum, as well as the study of the features of deconfinement and chiral restoration phase transitions for systems at finite temperature and/or density. We also address other related subjects, such as the study of phase transitions for imaginary chemical potentials, the possible existence of inhomogeneous phase regions, the presence of color superconductivity, the effects produced by strong external magnetic fields, and the application to the description of compact stellar objects.
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