Lattice-based QCD equation of state at finite baryon density: Cluster Expansion Model

V. Vovchenko, J. Steinheimer, O. Philipsen, A. Pásztor, Z. Fodor, S. D. Katz, H. Stoecker

Research output: Contribution to journalArticlepeer-review

7 Scopus citations

Abstract

The QCD equation of state at finite baryon density is studied in the framework of a Cluster Expansion Model (CEM), which is based on the fugacity expansion of the net baryon density. The CEM uses the two leading Fourier coefficients, obtained from lattice simulations at imaginary μB, as the only model input and permits a closed analytic form. Excellent description of the available lattice data at both μB = 0 and at imaginary μB is obtained. We also demonstrate how the Fourier coefficients can be reconstructed from baryon number susceptibilities.

Original languageEnglish (US)
Pages (from-to)859-862
Number of pages4
JournalNuclear Physics A
Volume982
DOIs
StatePublished - Feb 2019

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics

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