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Teilchentee SS 2021
Date: 15.04.2021
Speaker: Rob Pisarski (BNL Brookhaven, USA)
Moat spectrum and the phase diagram of QCD
I discuss "moat" spectrum, where the minimum of the energy lies at nonzero energy. This may occur over a large region of the phase diagram in QCD at low temperature and nonzero chemical potential. The standard lore is that this would produce pion and kaon condensates. I argue that instead, a type of quantum pion liquid forms. The possible experimental signal of such a state is that fluctuations are greatest about nonzero momentum.
