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arxiv: 1804.02976 · v1 · submitted 2018-04-09 · ⚛️ nucl-th

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Baryon number diffusion with critical fluctuations

Marlene Nahrgang (SUBATECH , Nantes) , Marcus Bluhm (Wroclaw U.) , Thomas Schaefer (North Carolina State U.) , Steffen A. Bass (Duke U.)
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classification ⚛️ nucl-th
keywords fluctuationscriticaldiffusiondynamicalbaryonbeamcollisionscrucial
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The description of dynamical fluctuations near the QCD critical point in heavy-ion collisions is crucial for understanding the existing and upcoming experimental data from the beam energy scan programs. In this talk we discuss the evolution of fluctuations of the net-baryon density as given by a stochastic diffusion equation. We study equilibrium as well as dynamical systems for which we can show the impact of nonequilibrium effects on the second-order moment.

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