Gaussian pseudogauge invariant hydrodynamics with spin
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arXiv
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| Hauptverfasser: | , , |
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| Format: | Preprint |
| Veröffentlicht: |
2026
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| _version_ | 1866911578040827904 |
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| author | Montenegro, David Savioli, Mariana Julia Pereira Dos Dores Torrieri, Giorgio |
| author_facet | Montenegro, David Savioli, Mariana Julia Pereira Dos Dores Torrieri, Giorgio |
| contents | Extending the Gaussian covariant hydrodynamics approach [1] using torsion as an auxiliary field we formulate a fluctuating hydrodynamics with spin which is covariant with respect to pseudo-gauge transformations as well as generally covariant with respect to foliations. This is done via the second order gravitational Ward identities, derived here in the torsionful case. This ensures that, while angular momentum observables depend covariantly on the pseudo-gauge, the dynamics is pseudo-gauge independent, thus clarifying the role of the pseudo-gauge in hydrodynamics with spin |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2604_07657 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Gaussian pseudogauge invariant hydrodynamics with spin Montenegro, David Savioli, Mariana Julia Pereira Dos Dores Torrieri, Giorgio High Energy Physics - Theory High Energy Physics - Phenomenology Nuclear Theory Extending the Gaussian covariant hydrodynamics approach [1] using torsion as an auxiliary field we formulate a fluctuating hydrodynamics with spin which is covariant with respect to pseudo-gauge transformations as well as generally covariant with respect to foliations. This is done via the second order gravitational Ward identities, derived here in the torsionful case. This ensures that, while angular momentum observables depend covariantly on the pseudo-gauge, the dynamics is pseudo-gauge independent, thus clarifying the role of the pseudo-gauge in hydrodynamics with spin |
| title | Gaussian pseudogauge invariant hydrodynamics with spin |
| topic | High Energy Physics - Theory High Energy Physics - Phenomenology Nuclear Theory |
| url | https://arxiv.org/abs/2604.07657 |