Hydrodynamically consistent many-body Harada-Sasa relation
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arXiv
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| Format: | Preprint |
| Published: |
2024
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| _version_ | 1866916715935301632 |
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| author | Golestanian, Ramin |
| author_facet | Golestanian, Ramin |
| contents | The effect of hydrodynamic interactions on the non-equilibrium stochastic dynamics of particles -- arising from the conservation of momentum in the fluid medium -- is examined in the context of the relationship between fluctuations, response functions, and the entropy production rate. The multiplicative nature of the hydrodynamic interactions is shown to introduce subtleties that preclude a straightforward extension of the Harada-Sasa relation. A generalization of the definitions involved in the framework is used to propose a new form of the relation applicable to systems with hydrodynamic interactions. The resulting framework will enable characterization of the non-equilibrium properties of living and active matter systems, which are predominantly in suspensions. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2406_16761 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Hydrodynamically consistent many-body Harada-Sasa relation Golestanian, Ramin Statistical Mechanics Soft Condensed Matter The effect of hydrodynamic interactions on the non-equilibrium stochastic dynamics of particles -- arising from the conservation of momentum in the fluid medium -- is examined in the context of the relationship between fluctuations, response functions, and the entropy production rate. The multiplicative nature of the hydrodynamic interactions is shown to introduce subtleties that preclude a straightforward extension of the Harada-Sasa relation. A generalization of the definitions involved in the framework is used to propose a new form of the relation applicable to systems with hydrodynamic interactions. The resulting framework will enable characterization of the non-equilibrium properties of living and active matter systems, which are predominantly in suspensions. |
| title | Hydrodynamically consistent many-body Harada-Sasa relation |
| topic | Statistical Mechanics Soft Condensed Matter |
| url | https://arxiv.org/abs/2406.16761 |