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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: Nucleosyn<strong>the</strong>sis - Summary<br />

Impact on Nucleosyn<strong>the</strong>sis II<br />

● Baryon number conservation requires highest baryon<br />

density <strong>in</strong> <strong>the</strong> last bubbles to freeze: High nucleon density<br />

– Neutrons diffuse faster due<br />

to electric neutrality:<br />

Isops<strong>in</strong> <strong>in</strong>homogeneities<br />

● Spatial <strong>in</strong>homogeneities <strong>in</strong><br />

nucleosyn<strong>the</strong>sis<br />

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

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