Lattice-based equation of state with 3D Ising critical point
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arXiv
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| Autores principales: | , , , , , , , , |
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| Formato: | Preprint |
| Publicado: |
2023
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| _version_ | 1866911787613421568 |
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| author | Kahangirwe, Micheal Bass, Steffen A. Jahan, Johannes Moreau, Pierre Parotto, Paolo Ratti, Claudia Soloveva, Olga Stephanov, Misha Bratkovskaya, Elena |
| author_facet | Kahangirwe, Micheal Bass, Steffen A. Jahan, Johannes Moreau, Pierre Parotto, Paolo Ratti, Claudia Soloveva, Olga Stephanov, Misha Bratkovskaya, Elena |
| contents | The BEST Collaboration equation of state combining lattice data with the 3D Ising critical point encounters limitations due to the truncated Taylor expansion up to $\frac{μ_B}{T} \sim 2.5$. This truncation consequently restricts its applicability at high densities. Through a resummation scheme, the lattice results have been extended to $\frac{μ_B}{T} = 3.5$. In this article, we amalgamate these ideas with the 3D-Ising model, yielding a family of equations of state valid up to $μ_B=700 \text{MeV}$ with the correct critical behavior. Our equations of state feature tunable parameters, providing a stable and causal framework-a crucial tool for hydrodynamics simulations. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2312_11265 |
| institution | arXiv |
| publishDate | 2023 |
| record_format | arxiv |
| spellingShingle | Lattice-based equation of state with 3D Ising critical point Kahangirwe, Micheal Bass, Steffen A. Jahan, Johannes Moreau, Pierre Parotto, Paolo Ratti, Claudia Soloveva, Olga Stephanov, Misha Bratkovskaya, Elena Nuclear Theory The BEST Collaboration equation of state combining lattice data with the 3D Ising critical point encounters limitations due to the truncated Taylor expansion up to $\frac{μ_B}{T} \sim 2.5$. This truncation consequently restricts its applicability at high densities. Through a resummation scheme, the lattice results have been extended to $\frac{μ_B}{T} = 3.5$. In this article, we amalgamate these ideas with the 3D-Ising model, yielding a family of equations of state valid up to $μ_B=700 \text{MeV}$ with the correct critical behavior. Our equations of state feature tunable parameters, providing a stable and causal framework-a crucial tool for hydrodynamics simulations. |
| title | Lattice-based equation of state with 3D Ising critical point |
| topic | Nuclear Theory |
| url | https://arxiv.org/abs/2312.11265 |