Velocity-Dependent Forces and Non-Hydrodynamic Initial Conditions in Quantum and Classical Fluids
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arXiv
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| Format: | Preprint |
| Published: |
2023
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| _version_ | 1866911939405283328 |
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| author | Kirkpatrick, T. R. Belitz, D. |
| author_facet | Kirkpatrick, T. R. Belitz, D. |
| contents | We consider a fermionic fluid in a non-equilibrium steady state where the fluctuation-dissipation theorem is not valid and fields conjugate to the hydrodynamic variables are explicitly required to determine response functions. We identify velocity-dependent forces in the kinetic equation that are equivalent to such fields. They lead to driving terms in the hydrodynamic equations and to corrections to the hydrodynamic initial conditions. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2304_06157 |
| institution | arXiv |
| publishDate | 2023 |
| record_format | arxiv |
| spellingShingle | Velocity-Dependent Forces and Non-Hydrodynamic Initial Conditions in Quantum and Classical Fluids Kirkpatrick, T. R. Belitz, D. Statistical Mechanics We consider a fermionic fluid in a non-equilibrium steady state where the fluctuation-dissipation theorem is not valid and fields conjugate to the hydrodynamic variables are explicitly required to determine response functions. We identify velocity-dependent forces in the kinetic equation that are equivalent to such fields. They lead to driving terms in the hydrodynamic equations and to corrections to the hydrodynamic initial conditions. |
| title | Velocity-Dependent Forces and Non-Hydrodynamic Initial Conditions in Quantum and Classical Fluids |
| topic | Statistical Mechanics |
| url | https://arxiv.org/abs/2304.06157 |