Formation and evaporation of quantum black holes from the decoupling mechanism in quantum gravity
Abstract We propose a new method to account for quantum-gravitational effects in cosmological and black hole spacetimes. At the core of our construction is the “decoupling mechanism”: when a physical infrared scale overcomes the effect of the regulator implementing the Wilsonian integration of fluct...
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| Format: | Article |
| Language: | English |
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SpringerOpen
2023-03-01
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| Series: | Journal of High Energy Physics |
| Subjects: | |
| Online Access: | https://doi.org/10.1007/JHEP03(2023)046 |
| _version_ | 1797795903365447680 |
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| author | Johanna N. Borissova Alessia Platania |
| author_facet | Johanna N. Borissova Alessia Platania |
| author_sort | Johanna N. Borissova |
| collection | DOAJ |
| description | Abstract We propose a new method to account for quantum-gravitational effects in cosmological and black hole spacetimes. At the core of our construction is the “decoupling mechanism”: when a physical infrared scale overcomes the effect of the regulator implementing the Wilsonian integration of fluctuating modes, the renormalization group flow of the scale-dependent effective action freezes out, so that at the decoupling scale the latter approximates the standard quantum effective action. Identifying the decoupling scale allows to access terms in the effective action that were not part of the original truncation and thus to study leading-order quantum corrections to field equations and their solutions. Starting from the Einstein-Hilbert truncation, we exploit for the first time the decoupling mechanism in quantum gravity to investigate the dynamics of quantum-corrected black holes from formation to evaporation. Our findings are in qualitative agreement with previous results in the context of renormalization group improved black holes, but additionally feature novel properties reminiscent of higher-derivative operators with specific non-local form factors. |
| first_indexed | 2024-03-13T03:25:03Z |
| format | Article |
| id | doaj.art-3e7722d442444fa3ab6afc52b38a7658 |
| institution | Directory Open Access Journal |
| issn | 1029-8479 |
| language | English |
| last_indexed | 2024-03-13T03:25:03Z |
| publishDate | 2023-03-01 |
| publisher | SpringerOpen |
| record_format | Article |
| series | Journal of High Energy Physics |
| spelling | doaj.art-3e7722d442444fa3ab6afc52b38a76582023-06-25T11:05:06ZengSpringerOpenJournal of High Energy Physics1029-84792023-03-012023314610.1007/JHEP03(2023)046Formation and evaporation of quantum black holes from the decoupling mechanism in quantum gravityJohanna N. Borissova0Alessia Platania1Perimeter Institute for Theoretical PhysicsPerimeter Institute for Theoretical PhysicsAbstract We propose a new method to account for quantum-gravitational effects in cosmological and black hole spacetimes. At the core of our construction is the “decoupling mechanism”: when a physical infrared scale overcomes the effect of the regulator implementing the Wilsonian integration of fluctuating modes, the renormalization group flow of the scale-dependent effective action freezes out, so that at the decoupling scale the latter approximates the standard quantum effective action. Identifying the decoupling scale allows to access terms in the effective action that were not part of the original truncation and thus to study leading-order quantum corrections to field equations and their solutions. Starting from the Einstein-Hilbert truncation, we exploit for the first time the decoupling mechanism in quantum gravity to investigate the dynamics of quantum-corrected black holes from formation to evaporation. Our findings are in qualitative agreement with previous results in the context of renormalization group improved black holes, but additionally feature novel properties reminiscent of higher-derivative operators with specific non-local form factors.https://doi.org/10.1007/JHEP03(2023)046Black HolesModels of Quantum GravityRenormalization Group |
| spellingShingle | Johanna N. Borissova Alessia Platania Formation and evaporation of quantum black holes from the decoupling mechanism in quantum gravity Journal of High Energy Physics Black Holes Models of Quantum Gravity Renormalization Group |
| title | Formation and evaporation of quantum black holes from the decoupling mechanism in quantum gravity |
| title_full | Formation and evaporation of quantum black holes from the decoupling mechanism in quantum gravity |
| title_fullStr | Formation and evaporation of quantum black holes from the decoupling mechanism in quantum gravity |
| title_full_unstemmed | Formation and evaporation of quantum black holes from the decoupling mechanism in quantum gravity |
| title_short | Formation and evaporation of quantum black holes from the decoupling mechanism in quantum gravity |
| title_sort | formation and evaporation of quantum black holes from the decoupling mechanism in quantum gravity |
| topic | Black Holes Models of Quantum Gravity Renormalization Group |
| url | https://doi.org/10.1007/JHEP03(2023)046 |
| work_keys_str_mv | AT johannanborissova formationandevaporationofquantumblackholesfromthedecouplingmechanisminquantumgravity AT alessiaplatania formationandevaporationofquantumblackholesfromthedecouplingmechanisminquantumgravity |