双层圆环上的解围相变
Deconfining phase transition on a double-layered torus
摘要:
相对论性重离子碰撞中的非受限区域被限制在由受限外部包围的小体积内。在这里,双层环面的几何形状进行了讨论,它允许在其两个层不同的温度。这种几何形状使人们能够接近QCD连续极限的小deconefined体积与封闭的外部在一个更现实的方式比使用周期性的边界条件。从纯SU(3)格点规范理论的研究中得到的初步数据支持赝转变温度的大幅度增加。
英文摘要:
Deconfined regions in relativistic heavy ion collisions are limited to small volumes surrounded by a confined exterior. Here the geometry of a double layered torus is discussed, which allows for different temperatures in its two layers. This geometry enables one to approach the QCD continuum limit for small deconfined volumes with confined exteriors in a more realistic fashion than by using periodic boundary conditions. Preliminary data from a study for pure SU(3) lattice gauge theory support a substantial increase in a pseudo transition temperature.
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