Köln 2004 – wissenschaftliches Programm

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HK: Physik der Hadronen und Kerne

HK 14: Poster Session: Heavy Ions

HK 14.2: Poster

Dienstag, 9. März 2004, 13:30–15:30, Foyer

Baryon Nuggets in Heavy Ion Collisions — •Kerstin Paech and Adrian Dumitru — Institut fuer Theoretische Physik Universität Frankfurt

We introduce a model for the real-time evolution of a relativistic fluid of quarks coupled to non-equilibrium dynamics of the long wavelength (classical) modes of the chiral condensate. We solve the equations of motion numerically in 3+1 space-time dimensions.

Starting the evolution at high temperature in the symmetric phase, we study dynamical trajectories that either cross the line of first-order phase transitions or evolve through its critical endpoint.

For those cases, we study the formation of baryon density fluctuations in dependence on different initial conditions.