Lattice QCD at finite temperature and density |
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Authors: | O Philipsen |
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Institution: | 1. Institut für Theoretische Physik, Universit?t Münster, 48149, Münster, Germany
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Abstract: | QCD at finite temperature and density is becoming increasingly important for various experimental
programmes, ranging from heavy ion physics to astro-particle physics.
The non-perturbative nature of non-abelian quantum field theories at finite temperature
leaves lattice QCD as the only tool by which we may hope to come to reliable predictions
from first principles. This requires careful extrapolations to the thermodynamic, chiral and continuum limits in order to
eliminate systematic effects introduced by the discretization procedure.
After an introduction to lattice QCD at finite temperature and density, its possibilities and current systematic
limitations, a review of present numerical results is given. In particular, plasma properties such as
the equation of state, screening masses, static quark free energies and spectral functions are discussed, as well as the critical
temperature and the QCD phase structure at zero and finite density. |
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Keywords: | |
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