arXivDaily arXiv每日学术速递 周一至周五更新
arXiv周末暂无论文更新,休息一下吧,周末愉快~~
arXiv 1411.0909hep-ph
收藏

非定域手征夸克模型中非均匀相的广义Ginzburg-Landau方法

Generalized Ginzburg-Landau approach to inhomogeneous phases in nonlocal chiral quark models

J. P. Carlomagno, D. Gomez Dumm, N. N. Scoccola

摘要:

我们在非定域手征夸克模型的框架下分析了QCD相图中非均匀相的存在。我们特别集中在三临界(TCP)和Lifshitz(LP)点的位置,这是在一般情况下使用广义Ginzburg-Landau方法进行研究。我们发现,对于所有的现象学上可接受的模型参数化认为TCP是位于一个较高的温度和较低的化学势相比,LP。因此,这些模型似乎有利于一种情况下,发病的一阶过渡均匀相之间的不均匀,积极有利的相覆盖。

英文摘要:

We analyze the presence of inhomogeneous phases in the QCD phase diagram within the framework of nonlocal chiral quark models. We concentrate in particular in the positions of the tricritical (TCP) and Lifshitz (LP) points, which are studied in a general context using a generalized Ginzburg-Landau approach. We find that for all the phenomenologically acceptable model parametrizations considered the TCP is located at a higher temperature and a lower chemical potential in comparison with the LP. Consequently, these models seem to favor a scenario in which the onset of the first order transition between homogeneous phases is not covered by an inhomogeneous, energetically favored phase.

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。

↑