Carroll hydrodynamics with spin
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arXiv
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| Format: | Preprint |
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2026
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| _version_ | 1866909014021898240 |
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| author | Shukla, Ashish Singh, Rajeev Soni, Pushkar |
| author_facet | Shukla, Ashish Singh, Rajeev Soni, Pushkar |
| contents | We formulate Carroll hydrodynamics with the inclusion of a spin current. Our strategy relies on the fact that the $c\to 0$ limit of relativistic hydrodynamics yields the equations of Carroll hydrodynamics. Starting with the pre-ultralocal parametrization of the background geometry and the hydrodynamic degrees of freedom for a relativistic fluid endowed with a spin current, the $c\to 0$ limit produces Carroll hydrodynamics with spin. It is known that boost-invariant hydrodynamic models for ultrarelativistic fluids relevant for the physics of quark-gluon plasma, such as Bjorken and Gubser flow, are manifestations of Carroll hydrodynamics under appropriate geometric choices for the underlying Carrollian structure. In this work, we further this mapping between such boost-invariant models and Carroll hydrodynamics, now with the inclusion of a spin current. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2601_15023 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Carroll hydrodynamics with spin Shukla, Ashish Singh, Rajeev Soni, Pushkar High Energy Physics - Theory Nuclear Theory We formulate Carroll hydrodynamics with the inclusion of a spin current. Our strategy relies on the fact that the $c\to 0$ limit of relativistic hydrodynamics yields the equations of Carroll hydrodynamics. Starting with the pre-ultralocal parametrization of the background geometry and the hydrodynamic degrees of freedom for a relativistic fluid endowed with a spin current, the $c\to 0$ limit produces Carroll hydrodynamics with spin. It is known that boost-invariant hydrodynamic models for ultrarelativistic fluids relevant for the physics of quark-gluon plasma, such as Bjorken and Gubser flow, are manifestations of Carroll hydrodynamics under appropriate geometric choices for the underlying Carrollian structure. In this work, we further this mapping between such boost-invariant models and Carroll hydrodynamics, now with the inclusion of a spin current. |
| title | Carroll hydrodynamics with spin |
| topic | High Energy Physics - Theory Nuclear Theory |
| url | https://arxiv.org/abs/2601.15023 |