Gluon chain model of the confining force
Gluon chain model of the confining force
复制标题
约束力的胶子链模型
DOI：
10.1088/1126-6708/2002/02/014
复制
发表时间：
2001
影响因子：
5.4
通讯作者：
C. Thorn
中科院分区：
文献类型：
--
作者：
J. Greensite;C. Thorn
我们将QCD弦描述为一条胶子链，它由可以微扰处理的最近邻吸引力束缚。这张图解释了大Nc下的卡西米尔标度和静态夸克势的渐近中心依赖性。我们讨论的相关性，胶子链的图片，最近的三圈静态夸克势的结果。本文提出了一个计算长胶子链最小能量和波函数的变分框架，它使我们能够导出QCD通量管的对数展宽（"粗糙化“）和势中Luscher −c/R项的存在。
We develop a picture of the QCD string as a chain of constituent gluons, bound by attractive nearest-neighbor forces which may be treated perturbatively. This picture accounts for both Casimir scaling at large Nc, and the asymptotic center dependence of the static quark potential. We discuss the relevance, to the gluon-chain picture, of recent three-loop results for the static quark potential. A variational framework is presented for computing the minimal energy and wavefunction of a long gluon chain, which enables us to derive both the logarithmic broadening of the QCD flux tube (``roughening''), and the existence of a Luscher −c/R term in the potential.