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Method of vacuum correlation functions: Results and prospects

机译:真空相关函数的方法:结果和前景

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Basic results obtained within the QCD method of vacuum correlation functions over the past 20 years in the context of investigations into strong-interaction physics at the Institute of Theoretical and Experimental Physics (ITEP, Moscow) are formulated Emphasis is placed primarily on the prospects of the general theory developed within QCD by employing both nonperturbative and perturbative methods. On the basis of ab initio arguments, it is shown that the lowest two field correlation functions play a dominant role in QCD dynamics. A quantitative theory of confinement and deconfinement, as well as of the spectra of light and heavy quarkonia, glueballs, and hybrids, is given in terms of these two correlation functions. Perturbation theory in a nonperturbative vacuum (background perturbation theory) plays a significant role, not possessing drawbacks of conventional perturbation theory and leading to the infrared freezing of the coupling constant alpha(s).
机译:在理论和实验物理研究所(ITEP,莫斯科)对强相互作用物理进行研究的背景下,在过去20年中用QCD方法在真空相关函数中获得的基本结果得到了阐述。重点主要放在该领域的前景上。 QCD内部通过采用非摄动和摄动方法开发的一般理论。在从头算的基础上,表明最低的两个场相关函数在QCD动力学中起主导作用。根据这两个相关函数,给出了限制和解除限制的定量理论,以及轻和重的夸克尼亚,胶球和杂种的光谱。非扰动真空中的扰动理论(背景扰动理论)起着重要的作用,不具有常规扰动理论的缺点,并且导致耦合常数α的红外冻结。

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