（三）临界点产生的物理机制
Physical mechanism of the (tri)critical point generation
摘要：
本文讨论了最近提出的连接静态夸克-反夸克对的弦的张力与相应的圆柱形袋的表面张力之间的唯象关系所引起的一些想法。通过这种关系分析，得出重子电荷密度为零时QGP袋的表面张力系数消失的温度为T_σ= 152.9 ± 4.5 MeV。我们发展的观点，这个温度值是不是一个偶然的巧合与（部分）手征对称性恢复的温度在格点量子色动力学模拟。此外，我们认为T_σ定义了QCD（tri）临界端点温度，并指出最近发现的表面张力系数为负值并不是唯一的结果，在超临界温度下，一般液体中也应该存在。
英文摘要：
We discuss some ideas resulting from a phenomenological relation recently declared between the tension of string connecting the static quark-antiquark pair and surface tension of corresponding cylindrical bag. This relation analysis leads to the temperature of vanishing surface tension coefficient of the QGP bags at zero baryonic charge density as T_σ= 152.9 +- 4.5 MeV. We develop the view point that this temperature value is not a fortuitous coincidence with the temperature of (partial) chiral symmetry restoration as seen in the lattice QCD simulations. Besides, we argue that T_σdefines the QCD (tri)critical endpoint temperature and claim that a negative value of surface tension coefficient recently discovered is not a sole result, but should also exist in ordinary liquids at the supercritical temperatures.
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