Lattice QCD at finite baryon density using analytic continuation
V. G. Bornyakov, D. L. Boyda, V. A. Goy, H. Iida, A. V. Molochkov,, Atsushi Nakamura, A. A. Nikolaev, V. I. Zakharov, and M. Wakayama
TL;DR
This paper uses lattice QCD simulations at imaginary chemical potential to analytically continue and study baryon density and fluctuations at real chemical potential, addressing challenges in finite density QCD.
Contribution
It introduces a method to determine baryon density and cumulants at real chemical potential from simulations at imaginary chemical potential.
Findings
Baryon number density computed at imaginary chemical potential.
Analytical continuation yields results at real chemical potential.
Results applicable to both confining and deconfining phases.
Abstract
We simulate lattice QCD with two flavors of Wilson fermions at imaginary baryon chemical potential. Results for the baryon number density computed in the confining and deconfining phases at imaginary baryon chemical potential are used to determine the baryon number density and higher cumulants at the real chemical potential via analytical continuation.
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