Deformations of the AdS-Schwarzschild black brane and the shear viscosity of the quark-gluon plasma
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arXiv
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| Natura: | Preprint |
| Pubblicazione: |
2024
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| _version_ | 1866912127530303488 |
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| author | da Rocha, Roldao |
| author_facet | da Rocha, Roldao |
| contents | Deformations of the AdS$_5$-Schwarzschild black brane, implemented in the AdS/CFT membrane paradigm, are scrutinized in the dual viscous hydrodynamic infrared limit. The latest experimental data analyses, regarding the shear viscosity-to-entropy density ratio of the quark-gluon plasma produced by heavy-ion collisions at the LHC and RHIC, are shown to constrain these deformations severely. Although corroborating with the robustness of the standard AdS$_5$-Schwarzschild black brane against deformations, there is still a margin for mild deformations which may carry 2-loop quantum corrections to gravity, whose implications to the strongly-coupled dual field theory are addressed and discussed. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2409_17325 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Deformations of the AdS-Schwarzschild black brane and the shear viscosity of the quark-gluon plasma da Rocha, Roldao High Energy Physics - Theory Nuclear Theory Deformations of the AdS$_5$-Schwarzschild black brane, implemented in the AdS/CFT membrane paradigm, are scrutinized in the dual viscous hydrodynamic infrared limit. The latest experimental data analyses, regarding the shear viscosity-to-entropy density ratio of the quark-gluon plasma produced by heavy-ion collisions at the LHC and RHIC, are shown to constrain these deformations severely. Although corroborating with the robustness of the standard AdS$_5$-Schwarzschild black brane against deformations, there is still a margin for mild deformations which may carry 2-loop quantum corrections to gravity, whose implications to the strongly-coupled dual field theory are addressed and discussed. |
| title | Deformations of the AdS-Schwarzschild black brane and the shear viscosity of the quark-gluon plasma |
| topic | High Energy Physics - Theory Nuclear Theory |
| url | https://arxiv.org/abs/2409.17325 |