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- W4386721808 abstract "Computations of screening masses in finite-temperature QCD at finite density are plagued by the sign problem and have been performed so far with an imaginary chemical potential. Here, we use a dual formulation of a Polyakov-loop model which allows the determination of screening masses at real baryon chemical potential. This is a second paper in a series devoted to a detailed study of dual Polyakov-loop models at finite density. While the first paper was mainly devoted to establishing the phase diagram of the model, here we compute correlation functions of the Polyakov loops and the second-moment correlation length at non-zero chemical potential. This enables us to evaluate numerically the screening masses from correlations of the real and imaginary parts of the Polyakov loops. We also compute these masses in the mean-field approximation and compare with numerical results. In addition, we provide a quantitative improvement of the general phase diagram presented in the first paper." @default.
- W4386721808 created "2023-09-14" @default.
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- W4386721808 date "2023-09-12" @default.
- W4386721808 modified "2023-09-27" @default.
- W4386721808 title "Dual simulation of a Polyakov loop model at finite baryon density: correlations and screening masses" @default.
- W4386721808 doi "https://doi.org/10.48550/arxiv.2309.06104" @default.
- W4386721808 hasPublicationYear "2023" @default.
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