考察QCD中强子相到部分子相的交叉
Examining the crossover from hadronic to partonic phase in QCD
摘要：
由于QCD中存在微扰真空和物理真空，使得从强子相到部分子相的跃迁机制难以建立。挑战是：如何在两个阶段的逐步交叉中实现两个真空之间的过渡。提出了一种可能的解决方案，并构造了一种符合QCD原理的交叉机制。这一机制的实质是在物理真空内部出现并长大了一种葡萄形微扰真空。基于一个简单的部分子离域动力学，我们构造了一个动力学逾渗模型来描述这一机制。利用该模型成功地描述了随温度升高从强子物质到sQGP的跃迁以及从sQGP到wQGP的跃迁。
英文摘要：
It is argued that, due to the existence of two vacua -- perturbative and physical -- in QCD, the mechanism for the crossover from hadronic to partonic phase is hard to construct. The challenge is: how to realize the transition between the two vacua during the gradual crossover of the two phases. A possible solution of this problem is proposed and a mechanism for crossover, consistent with the principle of QCD, is constructed. The essence of this mechanism is the appearance and growing up of a kind of grape-shape perturbative vacuum inside the physical one. A dynamical percolation model based on a simple dynamics for the delocalization of partons is constructed to exhibit this mechanism. The crossover from hadronic matter to sQGP as well as the transition from sQGP to wQGP in the increasing of temperature is successfully described by using this model with a temperature dependent parameter.
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。
