带电SU（2）极化张量在色磁背景场中的基态投影
Groundstate projection of the charged SU(2) polarization tensor in a chromomagnetic background field
摘要：
本文考虑SU（2）中色荷胶子场在均匀色磁场背景下的极化张量，并计算了它在低态（快子）上的投影。我们得到了一个非常简单的表示的偏振张量的双参数积分。在这种情况下，我们提供的偏振张量的数值计算的例子。同时，我们考虑了高温下的相应表达式，并计算了在此极限下的荷电胶子磁质量。我们的结论是辐射修正稳定了基态。并对所得结果的应用进行了讨论。
英文摘要：
We consider the polarization tensor of a color charged gluon field in SU(2) in the background of a homogeneous color magnetic field and calculate its projection onto the lower (tachyonic) state. We obtain a quite simple representation of the polarization tensor in terms of double parametric integral. We provide examples for the numerical evaluation of the polarization tensor in this case. Also, we consider the corresponding expressions at high temperature and calculate the charged gluon magnetic mass in this limit. We conclude that radiation corrections stabilize the ground state. Applications of the results obtained are discussed.
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