黑洞形成过程中QCD临界点扫描的可能性
Possibility of QCD critical point sweep during black hole formation
摘要：
本文讨论了在大质量恒星引力坍缩动力学黑洞形成过程中探测QCD临界点的可能性，其中温度和重子化学势分别高达T ~ 90 MeV和$μ_B$ ~ 1300 MeV。与手征有效模型中的相边界的比较表明，夸克物质很可能在视界形成之前形成。此外，在黑洞形成过程中，QCD临界点可能被探测到。在非对称核物质中，临界点向低温方向移动，在某些手征模型中，临界点位于黑洞形成过程中的可达区域。
英文摘要：
We discuss the possibility to probe the QCD critical point during the dynamical black hole formation from a gravitational collapse of a massive star, where the temperature and the baryon chemical potential become as high as T ~ 90 MeV and $μ_B$ ~ 1300 MeV. Comparison with the phase boundary in chiral effective models suggests that quark matter is likely to be formed before the horizon is formed. Furthermore, the QCD critical point may be probed during the black hole formation. The critical point is found to move in the lower temperature direction in asymmetric nuclear matter, and in some of the chiral models it is found to be in the reachable region during the black hole formation processes.
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