Towards a parameter-free analysis of the QCD chiral phase transition and its universal critical behavior
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arXiv
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| Autori principali: | , |
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| Natura: | Preprint |
| Pubblicazione: |
2025
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| _version_ | 1866917252833476608 |
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| author | Mitra, Sabarnya Karsch, Frithjof |
| author_facet | Mitra, Sabarnya Karsch, Frithjof |
| contents | To quantify the universal properties of chiral phase transition in (2+1)-flavor QCD, we use an improved, renormalized order parameter for the chiral symmetry breaking. We construct ratios of this divergence-free order parameter from its values for different pairs of light quark masses. From this, we determine in a parameter-independent manner, the chiral phase transition temperature $T_c$ and the associated critical exponent $δ$ of the universality class. We present first numerical results of these calculations on $N_τ=8$ lattices, with staggered fermions. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2501_13653 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Towards a parameter-free analysis of the QCD chiral phase transition and its universal critical behavior Mitra, Sabarnya Karsch, Frithjof High Energy Physics - Lattice High Energy Physics - Phenomenology Nuclear Experiment Nuclear Theory To quantify the universal properties of chiral phase transition in (2+1)-flavor QCD, we use an improved, renormalized order parameter for the chiral symmetry breaking. We construct ratios of this divergence-free order parameter from its values for different pairs of light quark masses. From this, we determine in a parameter-independent manner, the chiral phase transition temperature $T_c$ and the associated critical exponent $δ$ of the universality class. We present first numerical results of these calculations on $N_τ=8$ lattices, with staggered fermions. |
| title | Towards a parameter-free analysis of the QCD chiral phase transition and its universal critical behavior |
| topic | High Energy Physics - Lattice High Energy Physics - Phenomenology Nuclear Experiment Nuclear Theory |
| url | https://arxiv.org/abs/2501.13653 |