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# 36th Annual International Symposium on Lattice Field Theory

22-28 July 2018
Kellogg Hotel and Conference Center
EST timezone

## Higher order fluctuations form imaginary chemical potential

Jul 25, 2018, 4:30 PM
20m
Centennial (Kellogg Hotel and Conference Center)

### Centennial

#### Kellogg Hotel and Conference Center

219 S Harrison Rd, East Lansing, MI 48824
Nonzero Temperature and Density

### Speaker

Jana N. Guenther (University of Regensburg)

### Description

When comparing lattice calculation to experimental data from heavy ion collision experiments, the higher order fluctuations of conserved charges are important observables. An efficient way to study these fluctuations is to derive them from simulations at a set of imaginary chemical potentials. In this talk we present results for higher order derivatives with respect to $\mu_B$, $\mu_S$ and $\mu_Q$ determined at the physical point from simulations with staggered fermions using different imaginary values of $\mu_B$. We then can determine several combinations that allow for a comparison to heavy ion collision experiments, and extrapolate theses observables to real baryon chemical potential.

### Primary authors

Attila Pasztor (University of Wuppertal) Prof. Claudia Ratti Ratti (University of Houston) Israel Portillo (University of Houston) Jana N. Guenther (University of Regensburg) Kalman K. Szabó (University of Wuppertal,Jülich Supercomputing Centre) Sandor K. Katz (Eötvös University) Szabolcs Borsanyi (University of Wuppertal) Zoltan Fodor (University of Wuppertal, Eötvös University, Jülich Supercomputing Centre)

 Slides