Causal and Stable Relativistic Hydrodynamic Fluctuations
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arXiv
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| Auteurs principaux: | , , , |
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| Format: | Preprint |
| Publié: |
2024
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| _version_ | 1866910337537671168 |
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| author | Mullins, Nicki Hippert, Mauricio Noronha, Jorge Gavassino, Lorenzo |
| author_facet | Mullins, Nicki Hippert, Mauricio Noronha, Jorge Gavassino, Lorenzo |
| contents | When two nuclei collide close to the speed of light, a fluid state known as the quark-gluon plasma is formed. Attempts to understand the dynamics of this fluid have generated significant research into dissipative relativistic fluid dynamics. The fluctuation-dissipation theorem implies that any dissipative dynamical system will also experience thermal fluctuations; however, such fluctuations are not typically included in the modeling of the quark-gluon plasma. This work discusses a new method of determining whether a hydrodynamic framework is consistent with thermal fluctuations. We develop a new method for calculating the noise correlator of relativistic hydrodynamic systems and apply it to Israel-Stewart theory in a general hydrodynamic frame. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2402_13119 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Causal and Stable Relativistic Hydrodynamic Fluctuations Mullins, Nicki Hippert, Mauricio Noronha, Jorge Gavassino, Lorenzo Nuclear Theory High Energy Physics - Phenomenology When two nuclei collide close to the speed of light, a fluid state known as the quark-gluon plasma is formed. Attempts to understand the dynamics of this fluid have generated significant research into dissipative relativistic fluid dynamics. The fluctuation-dissipation theorem implies that any dissipative dynamical system will also experience thermal fluctuations; however, such fluctuations are not typically included in the modeling of the quark-gluon plasma. This work discusses a new method of determining whether a hydrodynamic framework is consistent with thermal fluctuations. We develop a new method for calculating the noise correlator of relativistic hydrodynamic systems and apply it to Israel-Stewart theory in a general hydrodynamic frame. |
| title | Causal and Stable Relativistic Hydrodynamic Fluctuations |
| topic | Nuclear Theory High Energy Physics - Phenomenology |
| url | https://arxiv.org/abs/2402.13119 |