The paper extracts universal non-equilibrium scaling functions for the order parameter and its cumulants up to fourth order in a Z2 scalar field theory with Model A dynamics in two and three dimensions.
Fluctuating fluid dynamics for the QGP in the LHC and BES era
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abstract
In an era of high-precision determinations of QGP properties a full incorporation of fluid dynamical fluctuations into our models has become crucial, in particular, when describing the dynamics of small systems or near the conjectured QCD critical point. In this talk we discuss some effects of the propagation of these fluctuations. For LHC physics we focus on fluctuations in the energy-momentum tensor, while the impact of fluctuations in the diffusive net-baryon density is studied to improve our knowledge on the formation of critical fluctuations being searched in current and future BES programs.
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Universal non-equilibrium scaling of cumulants across a critical point
The paper extracts universal non-equilibrium scaling functions for the order parameter and its cumulants up to fourth order in a Z2 scalar field theory with Model A dynamics in two and three dimensions.