Deducing Hard Thermal Loops From Ward Identities

Jan, 1990
15 pages
Published in:
  • Nucl.Phys.B 339 (1990) 310-324
  • Published: 1990
Report number:
  • BNL-43882,
  • NUHEP-TH-90-3

Citations per year

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Abstract: (Elsevier)
In hot gauge theories, hard thermal loops are the dominant loop corrections at soft momenta. We show that the hard thermal loops in arbitrary amplitudes are determined, up to an angular integral, by their Ward identities.
  • gauge field theory: Yang-Mills
  • finite temperature
  • temperature: high
  • gluon: scattering amplitude
  • scattering amplitude: gluon
  • quark: scattering amplitude
  • scattering amplitude: quark
  • Ward identity