The Infrared Sensitivity of Nonabelian Debye Screening

Details The Infrared Sensitivity of Nonabelian Debye Screening The Infrared Sensitivity of Nonabelian Debye Screening

1994-08-10

arxiv.org/abs/hep-ph/9408263v2

Physics

High Energy Physics

High Energy Physics - Phenomenology

5 pp. incl. 2 figs. (uuencoded tar-compressed postscript file)

Scientific paper

It is shown that a perturbative treatment of nonabelian Debye screening at high temperature suffers from infrared problems already at the next-to-leading order, which is given by ring-resummed one-loop diagrams. Superficial infrared power counting would let one expect a sensitivity to the magnetic mass scale only at higher orders, but the form of Debye screening depends on the analytic structure of the correlation functions, which is strongly sensitive to the existence of screening of static magnetic fields. [Invited talk at the Workshop on Quantum Infrared Physics, 6-10 June 1994, American University of Paris, France]

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