The Pressure of hot QCD up to g6 ln(1/g)

Kajantie K, Laine M, Rummukainen K, Schroeder Y (2003)
Phys.Rev. D 67(10): 105008.

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Fakultät für Physik
Fakultät für Physik > AG Astroteilchen und Kosmologie
Fakultät für Physik > AG Elementarteilchen und Quantenfelder
Abstract
The free energy density, or pressure, of QCD has at high temperatures an expansion in the coupling constant g, known so far up to order g^5. We compute here the last contribution which can be determined perturbatively, g^6 ln(1/g), by summing together results for the 4-loop vacuum energy densities of two different three-dimensional effective field theories. We also demonstrate that the inclusion of the new perturbative g^6 ln(1/g) terms, once they are summed together with the so far unknown perturbative and non-perturbative g^6 terms, could potentially extend the applicability of the coupling constant series down to surprisingly low temperatures.
Keywords
12.38.Bx ; energy: density ; fermion: flavor ; gauge field theory: SU(N) ; numerical calculations ; perturbation theory: higher-order ; Phenomenology-HEP ; pressure ; regularization: dimensional ; 11.15.Bt ; 11.10.Wx ; temperature: high ; 05.70.Ce
Publishing Year
2003
ISSN
0556-2821
eISSN
1089-4918
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Kajantie K, Laine M, Rummukainen K, Schroeder Y. The Pressure of hot QCD up to g6 ln(1/g). Phys.Rev. D. 2003;67(10):105008.
Kajantie, K., Laine, M., Rummukainen, K., & Schroeder, Y. (2003). The Pressure of hot QCD up to g6 ln(1/g). Phys.Rev. D, 67(10), 105008. doi:10.1103/PhysRevD.67.105008
Kajantie, K., Laine, M., Rummukainen, K., and Schroeder, Y. (2003). The Pressure of hot QCD up to g6 ln(1/g). Phys.Rev. D 67, 105008.
Kajantie, K., et al., 2003. The Pressure of hot QCD up to g6 ln(1/g). Phys.Rev. D, 67(10), p 105008.
K. Kajantie, et al., “The Pressure of hot QCD up to g6 ln(1/g)”, Phys.Rev. D, vol. 67, 2003, pp. 105008.
Kajantie, K., Laine, M., Rummukainen, K., Schroeder, Y.: The Pressure of hot QCD up to g6 ln(1/g). Phys.Rev. D. 67, 105008 (2003).
Kajantie, K., Laine, Mikko, Rummukainen, K., and Schroeder, York. “The Pressure of hot QCD up to g6 ln(1/g)”. Phys.Rev. D 67.10 (2003): 105008.
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