Please visit Jefferson Lab Event Policies and Guidance before planning your next event:

Apr 10 – 12, 2019
Denver, CO
US/Mountain timezone

The QCD critical point hunt:new theoretical development and the first result from simulation

Apr 11, 2019, 4:25 PM
Director's Row I (Denver, CO)

Director's Row I

Denver, CO

Sheraton Denver Downtown Hotel, 1550 Court Pl. lobby level of the Plaza building
invited talk Beam Energy Scans


Dr Yi Yin (MIT)


Experimentally locating the QCD critical point is one of the important scientific goals for the relativistic heavy-ion collision program, with potential connections to a plethora of deep questions on the phase diagram of nuclear matter. I will first argue based on simple parametric reasonings that there shall emerge a set of new dynamical degrees of freedom for the system evolving near the critical point. As a result, the conventional hydrodynamic modeling in heavy-ion collisions would not be sufficient for the purpose of the quantitative study of the critical point. Instead, I will present a novel theoretical framework, namely “hydro+”, which couples those emergent degrees of freedom to hydrodynamical variables. "Hydro+" would provide a quantitative description of both the critical fluctuations and the bulk evolution near the QCD critical point. I will show the first results on the numerical simulations of “hydro+”, and, if time is permitted, discuss the interesting connection of “hydro+” to other approaches of fluctuating hydrodynamics.

Primary author

Dr Yi Yin (MIT)

Presentation materials