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The QCD Phase Diagram - Theory Center

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<strong>The</strong> <strong>QCD</strong> <strong>Phase</strong> <strong>Diagram</strong> from <strong>The</strong>ory -<br />

Perturbative <strong>QCD</strong> and Chiral Perurbation <strong>The</strong>ory<br />

Perturbative <strong>QCD</strong>:<br />

◮ expansion in αs for high energies an<br />

◮ quarks and gluons are relevant<br />

degrees of freedom<br />

Chiral Perurbation <strong>The</strong>ory:<br />

◮ expansion in terms of energies and<br />

(Goldstone boson) masses for low<br />

momenta<br />

◮ stable (light) hadrons are relevant<br />

degrees of freedom<br />

1.November 2012 | TU Darmstadt - SE Rel. Schwerionenphysik | Ralf-Arno Tripolt | 31<br />

[A. Vuorinen, Phys.Rev. D68, 054017 (2003)]<br />

[P. Gerber, H. Leutwyler, Nucl. Phys. B321, 387 (1989)]

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