来自LQCD的A^2真空期望值
Vacuum expectation value of A^2 from LQCD
摘要:
我们从LQCD论证了在Landau规范下QCD中存在一个非零的$A_a^μA^a_μ$ v.e.v。我们使用算子乘积展开来提供$A_a^μA^a_μ$的明确定义,并在淬火和未淬火的情况下提取数。
英文摘要:
We argue from LQCD that there is a non vanishing v.e.v of $A_a^μA^a_μ$ in QCD in the Landau gauge. We use operator product expansion to provide a clear definition of $A_a^μA^a_μ$ and extract a number both in the quenched and unquenched case.
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