The QCD equation of state at finite density from analytical continuation

J. N. Guenther, R. Bellwied, S. Borsányi, Z. Fodor, S. D. Katz, A. Pásztor, C. Ratti, K. K. Szabó

Research output: Contribution to journalArticlepeer-review

Abstract

We want to study thermodynamical observables at finite density. Since direct lattice simulations at finite μB are hindered by the sign problem an efficient way to study the QCD phase diagram at small finite density is to extrapolate observables from imaginary chemical potential. In this talk we present results on several observables for the equation of state. The observables are calculated along the isentropic trajectories in the (T, μB) plane corresponding to the RHIC Beam Energy Scan collision energies. The simulations are performed at the physical mass for the light and strange quarks. μS was tuned in a way to enforce strangeness neutrality to match the experimental conditions; the results are continuum extrapolated and systematic effects are taken into account for the error estimate.

Original languageEnglish (US)
Pages (from-to)720-723
Number of pages4
JournalNuclear Physics A
Volume967
DOIs
StatePublished - Nov 2017

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics

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