Non-Gaussian fluctuations in relativistic hydrodynamics: Confluent equations for three-point correlations
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arXiv
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| Hauptverfasser: | , , |
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| Format: | Preprint |
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2026
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| author | An, Xin Basar, Gokce Stephanov, Mikhail |
| author_facet | An, Xin Basar, Gokce Stephanov, Mikhail |
| contents | We derive deterministic equations for the evolution of non-Gaussian fluctuations in relativistic stochastic hydrodynamics. This is achieved by defining the average local Landau frame and corresponding fluctuating hydrodynamic variables. Fully nonlinear stochastic hydrodynamics is expressed in a unified multi-component matrix form. A novel relativistic formalism, also manifestly covariant under SO(3) rotations of the local spatial basis in the average local Landau frame, is introduced. The equations describe correlators of all hydrodynamic variables, including fluctuating velocity (or momentum density) -- a nontrivial problem in relativistic hydrodynamics. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2604_14110 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Non-Gaussian fluctuations in relativistic hydrodynamics: Confluent equations for three-point correlations An, Xin Basar, Gokce Stephanov, Mikhail Nuclear Theory Statistical Mechanics High Energy Physics - Theory We derive deterministic equations for the evolution of non-Gaussian fluctuations in relativistic stochastic hydrodynamics. This is achieved by defining the average local Landau frame and corresponding fluctuating hydrodynamic variables. Fully nonlinear stochastic hydrodynamics is expressed in a unified multi-component matrix form. A novel relativistic formalism, also manifestly covariant under SO(3) rotations of the local spatial basis in the average local Landau frame, is introduced. The equations describe correlators of all hydrodynamic variables, including fluctuating velocity (or momentum density) -- a nontrivial problem in relativistic hydrodynamics. |
| title | Non-Gaussian fluctuations in relativistic hydrodynamics: Confluent equations for three-point correlations |
| topic | Nuclear Theory Statistical Mechanics High Energy Physics - Theory |
| url | https://arxiv.org/abs/2604.14110 |