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

Autor:	Vovchenko, V., Steinheimer, J., Philipsen, O., Pasztor, A., Fodor, Z., Katz, S. D., Stoecker, H.
Rok vydání:	2018
Předmět:	High Energy Physics - Lattice High Energy Physics - Phenomenology Nuclear Theory
Druh dokumentu:	Working Paper
DOI:	10.1016/j.nuclphysa.2018.10.068
Popis:	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 $\mu_B$, as the only model input and permits a closed analytic form. Excellent description of the available lattice data at both $\mu_B = 0$ and at imaginary $\mu_B$ is obtained. We also demonstrate how the Fourier coefficients can be reconstructed from baryon number susceptibilities. Comment: 4 pages, 3 figures. Contribution to the Quark Matter 2018 conference proceedings
Databáze:	arXiv
Externí odkaz:	http://arxiv.org/abs/1807.06472 Zobrazit plný text záznamu View this record from Arxiv