QCD phase transition in the early universe - Theory Center
QCD phase transition in the early universe - Theory Center
QCD phase transition in the early universe - Theory Center
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Overview – <strong>QCD</strong>: Theoretical Methods – F<strong>in</strong>ite Temperature <strong>QCD</strong> – Unsettled Issues – Early Universe - Summary<br />
Theoretical Methods<br />
● Lattice gauge <strong>the</strong>ory<br />
– Massive numerical calculations<br />
● Functional methods<br />
– Equations of motions, renormalization group<br />
● Effective <strong>the</strong>ories<br />
– Systematic expansion, e.g. Chiral perturbation <strong>the</strong>ory<br />
– Ad hoc models<br />
● Many o<strong>the</strong>r methods and attempts<br />
● No method yet successful alone – comb<strong>in</strong>ations<br />
needed<br />
<strong>QCD</strong> Phase Transition(s) & The Early Universe/Axel Maas