Kinetic-theory approach to Gluon Self-energy beyond Hard Thermal Loops
Zheng Xiaoping, Li Jiarong
Abstract
We compare the effective dynamics of soft fields, based on temperature field theory, with the mean field dynamics from non-Abelian kinetic theory. We derive the polarization tensor with the leading logarithmic factor (gTμ) from the effective Boltzmann-Langevin equation given by Litim and Manuel. The tensor is identical with effective one-loop contributions within the hard thermal loop effective theory.
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