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QCD phase transition in the early universe - Theory Center

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Overview – <strong>QCD</strong> – F<strong>in</strong>ite Temperature <strong>QCD</strong> – Unsettled Issues – Early Universe - Summary<br />

Quantumchromodynamics (<strong>QCD</strong>)<br />

● (Quantized) <strong>Theory</strong> of strong <strong>in</strong>teractions<br />

● Describes <strong>the</strong> structure of hadrons and<br />

(ultimately) nuclei<br />

● Elementary degrees of freedom are<br />

quarks and gluons<br />

– Carry new charge: Color charge<br />

– Quarks come <strong>in</strong> red, green, blue, and anti-<br />

colors<br />

<strong>QCD</strong> Phase Transition(s) & The Early Universe/Axel Maas

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