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arXiv 1104.2009hep-thhep-ph
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QCD哈密顿量的一种新的强耦合展开

A novel strong coupling expansion of the QCD Hamiltonian

Hans-Peter Pavel

摘要:

引入盒长为a的无限空间格点,可以得到物理QCD哈密顿量在λ= g^{-2/3}中的系统展开.自由部分是每个盒子的空间恒定场的量子力学的哈密顿量之和,与λ^n成比例的相互作用项包含连接不同盒子的n个离散空间导数。作为例子,我们计算了SU(2)杨-米尔斯理论中真空和最低标量胶球的能量,直到λ^2阶。

英文摘要:

Introducing an infinite spatial lattice with box length a, a systematic expansion of the physical QCD Hamiltonian in λ= g^{-2/3} can be obtained. The free part is the sum of the Hamiltonians of the quantum mechanics of spatially constant fields for each box, and the interaction terms proportional to λ^n contain n discretised spatial derivatives connecting different boxes. As an example, the energy of the vacuum and the lowest scalar glueball is calculated up to order λ^2 for the case of SU(2) Yang-Mills theory.

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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