Lattice simulations of the QCD chiral transition at real $\mu_B

Lattice simulations of the QCD chiral transition at real $\mu_B

Most lattice studies of hot and dense QCD matter rely on extrapolation from zero or imaginary chemical potentials. The ill-posedness of numerical analytic continuation puts severe limitations on the reliability of such methods. We studied the QCD chiral transition at finite real baryon density with...

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Hauptverfasser: Pasztor, Attila, Borsanyi, Szabolcs, Fodor, Zoltan, Giordano, Matteo, Katz, Sandor D, Nogradi, Daniel, Wong, Chik Him
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Physics - High Energy Physics - Lattice
Physics - High Energy Physics - Phenomenology
Physics - Nuclear Theory
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creator Pasztor, Attila
Borsanyi, Szabolcs
Fodor, Zoltan
Giordano, Matteo
Katz, Sandor D
Nogradi, Daniel
Wong, Chik Him
description Most lattice studies of hot and dense QCD matter rely on extrapolation from zero or imaginary chemical potentials. The ill-posedness of numerical analytic continuation puts severe limitations on the reliability of such methods. We studied the QCD chiral transition at finite real baryon density with the more direct sign reweighting approach. We simulate up to a baryochemical potential-temperature ratio of $\mu_B/T=2.7$, covering the RHIC Beam Energy Scan range, and penetrating the region where methods based on analytic continuation are unpredictive.This opens up a new window to study QCD matter at finite $\mu_B$ from first principles.
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subjects Physics - High Energy Physics - Lattice
Physics - High Energy Physics - Phenomenology
Physics - Nuclear Theory
title Lattice simulations of the QCD chiral transition at real $\mu_B
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