A Remark on nonAbelian classical kinetic theory
Nov, 20016 pages
Published in:
- Phys.Rev.D 65 (2002) 077902
e-Print:
- hep-ph/0111113 [hep-ph]
Report number:
- CERN-TH-2001-309
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Abstract:
It is known that non-Abelian classical kinetic theory reproduces the Hard Thermal/Dense Loop (HTL/HDL) effective action of QCD, obtained after integrating out the hardest momentum scales from the system, as well as the first higher dimensional operator beyond the HTL/HDL level. We discuss here its applicability at still higher orders, by comparing the exact classical effective action obtained in the static limit, with the 1-loop quantum effective potential. We remark that while correct types of operators arise, the classical colour algebra reproduces correctly the prefactor of the 4-point function only for matter in asymptotically high dimensional colour representations.- 05.20.Dd
- 11.10.Wx
- 12.38.Mh
- Boltzmann equation: nonabelian
- quark
- gluon
- background field
- effective action
- field theory
- current: gauge
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