Volume 43, Number 4, August II 1998
|Page(s)||381 - 385|
|Section||The physics of elementary particles and fields|
|Published online||01 September 2002|
Thermodynamics of the -theory in tadpole approximation
Institut für Kern- und Hadronenphysik, Forschungszentrum Rossendorf
PF 510119, 01314 Dresden, Germany
2 Institute for Theoretical Physics - 252143 Kiev, 143, Ukraine
3 Institut für Theoretische Physik, TU Dresden - 01065 Dresden, Germany
Accepted: 26 June 1998
Relying on the Luttinger-Ward theorem we derive a thermodynamically self-consistent and scale-independent approximation of the thermodynamic potential for the scalar -theory in the tadpole approximation. With certain approximations the presented approach can be extended to quantum chromodynamics (QCD) and it gives support to parametrize the results of QCD lattice calculations by suitably modified ideal-gas expressions.
PACS: 11.10.Wx – Finite-temperature field theory / 12.38.Mh – Quark-gluon plasma
© EDP Sciences, 1998
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