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arXiv 1111.0916hep-lat
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具有有效理论的QCD Phase Diagram

The QCD Phase Diagram with Effective Theories

Ydalia Delgado, Hans Gerd Evertz, Christof Gattringer, Daniel Göschl

摘要:

本文研究了非零温度和有限化学势条件下的两种有效的QCD理论。符号问题的解决是通过精确映射的配分函数的通量和单体变量的总和,只有真正的和积极的权重,使这两个模型访问蒙特卡罗模拟技术。我们使用广义蠕虫算法和局部大都市更新进行模拟,并确定作为温度和化学势的函数的相图。

英文摘要:

We study two effective theories for QCD at non-zero temperature and finite chemical potential, using local Polyakov loops as the degrees of freedom. The sign problem is solved by exactly mapping the partition function to a sum over flux and monomer variables with only real and positive weights, making the two models accessible to Monte Carlo simulation techniques. We use generalized worm algorithms and a local Metropolis update to perform the simulations and determine the phase diagram as a function of the temperature and the chemical potential.

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。

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