Volume 396 - The 38th International Symposium on Lattice Field Theory (LATTICE2021) - Oral presentation
Flavor number dependence of QCD at finite density by the complex Langevin method
Y. Namekawa*, Y. Asano, Y. Ito, T. Kaneko, H. Matsufuru, J. Nishimura, A. Tsuchiya, S. Tsutsui and T. Yokota
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Pre-published on: May 16, 2022
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Abstract
We discuss the flavor number dependence of QCD at low temperature and high density by the complex Langevin method.
In our previous work, the complex Langevin method is confirmed to satisfy the criterion for correct convergence in certain regions, such as $\mu_{\rm q} / T = 5.2-7.2$ on $8^3 \times 16$ and $\mu_{\rm q} / T = 1.6-9.6$ on $16^3 \times 32$ using $N_{\rm f} = 4$ staggered fermion at $\beta = 5.7$.
We extend this study to more realistic flavor cases, $N_{\rm f} = 2, 2 + 1, 3$, using Wilson fermions.
We present the flavor number dependence of the validity regions of the complex Langevin method and the quark number.
DOI: https://doi.org/10.22323/1.396.0623
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