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arXiv 1012.1764hep-lat
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数值随机微扰理论中猝灭格点量子色动力学的两点函数

Two-point functions of quenched lattice QCD in Numerical Stochastic Perturbation Theory

F. Di Renzo, E. -M. Ilgenfritz, H. Perlt, A. Schiller, C. Torrero

摘要:

总结了SU(3)格点规范理论中鬼传播子和胶子传播子的高圈微扰计算。我们的最终目的是比较晶格模拟的结果,以揭示真正的非微扰内容后者。本文用数值随机微扰理论计算了朗道规范中三圈和四圈的鬼传播子和胶子传播子。我们目前的结果在无限体积和$a \to 0$限制,根据一般的拟合策略。

英文摘要:

We summarize the higher-loop perturbative computation of the ghost and gluon propagators in SU(3) Lattice Gauge Theory. Our final aim is to compare with results from lattice simulations in order to expose the genuinely non-perturbative content of the latter. By means of Numerical Stochastic Perturbation Theory we compute the ghost and gluon propagators in Landau gauge up to three and four loops. We present results in the infinite volume and $a \to 0$ limits, based on a general fitting strategy.

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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