Phase and equation of state of finite density QC₂D at lower temperature

2024/12/25 by Etsuko Itou, Itou, Etsuko, Kei Iida +5
Physics and Astronomy · #Advanced Thermodynamics and Statistical Mechanics #FOS: Physical sciences #High Energy Physics - Lattice (hep-lat) #High Energy Physics - Phenomenology (hep-ph) #Nuclear Theory (nucl-th) #Quantum many-body systems #Theoretical and Computational Physics

paper · pdf · doi:10.48550/arxiv.2412.18825

openalex publication_date 2024/12/25 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28

Abstract

We investigate the phase structure and the equation of state (EoS) for dense two-color QCD at low temperatures, T = 40 MeV (32⁴ lattice) and T = 80 MeV (16⁴ lattice). A rich phase structure below the pseudo-critical temperature T_c as a function of quark chemical potential μ has been revealed. By performing T = 40 MeV simulations, essentially similar results to the previous ones at T = 80 MeV are obtained, but several finer understandings are achieved. Breaking of the conformal bound is also confirmed thanks to smaller statistical errors. This talk is mainly based on Refs.~\citeIida:2022hyy, Iida:2024irv. It also includes related studies and subsequent developments that were not mentioned in the original papers.

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