Solution of the cosmological constant problem within holographic cosmology
Within the holographic cosmology paradigm, specifically the model of McFadden and Skenderis, but more generally than that, the cosmological constant is found to naturally flow from a large value, to a small value, which can even be as low as the needed ∼10−120 times the original, along with the dual...
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| Format: | Article |
| Language: | English |
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Elsevier
2020-02-01
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| Series: | Physics Letters B |
| Online Access: | http://www.sciencedirect.com/science/article/pii/S0370269319308901 |
| _version_ | 1818311925057978368 |
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| author | Horatiu Nastase |
| author_facet | Horatiu Nastase |
| author_sort | Horatiu Nastase |
| collection | DOAJ |
| description | Within the holographic cosmology paradigm, specifically the model of McFadden and Skenderis, but more generally than that, the cosmological constant is found to naturally flow from a large value, to a small value, which can even be as low as the needed ∼10−120 times the original, along with the dual RG flow. Within this context then, the cosmological constant problem is mapped to a simple quantum field theory property, even though the exact mechanism for it in gravity is still obscure. I consider several examples of gravity duals to explain the mechanism. |
| first_indexed | 2024-12-13T08:09:42Z |
| format | Article |
| id | doaj.art-11de97ccaeff4ab8ab98d504cc6b30c6 |
| institution | Directory Open Access Journal |
| issn | 0370-2693 |
| language | English |
| last_indexed | 2024-12-13T08:09:42Z |
| publishDate | 2020-02-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Physics Letters B |
| spelling | doaj.art-11de97ccaeff4ab8ab98d504cc6b30c62022-12-21T23:54:14ZengElsevierPhysics Letters B0370-26932020-02-01801Solution of the cosmological constant problem within holographic cosmologyHoratiu Nastase0Instituto de Física Teórica, UNESP-Universidade Estadual Paulista, Rua Dr. Bento T. Ferraz 271, Bl. II, São Paulo 01140-070, SP, BrazilWithin the holographic cosmology paradigm, specifically the model of McFadden and Skenderis, but more generally than that, the cosmological constant is found to naturally flow from a large value, to a small value, which can even be as low as the needed ∼10−120 times the original, along with the dual RG flow. Within this context then, the cosmological constant problem is mapped to a simple quantum field theory property, even though the exact mechanism for it in gravity is still obscure. I consider several examples of gravity duals to explain the mechanism.http://www.sciencedirect.com/science/article/pii/S0370269319308901 |
| spellingShingle | Horatiu Nastase Solution of the cosmological constant problem within holographic cosmology Physics Letters B |
| title | Solution of the cosmological constant problem within holographic cosmology |
| title_full | Solution of the cosmological constant problem within holographic cosmology |
| title_fullStr | Solution of the cosmological constant problem within holographic cosmology |
| title_full_unstemmed | Solution of the cosmological constant problem within holographic cosmology |
| title_short | Solution of the cosmological constant problem within holographic cosmology |
| title_sort | solution of the cosmological constant problem within holographic cosmology |
| url | http://www.sciencedirect.com/science/article/pii/S0370269319308901 |
| work_keys_str_mv | AT horatiunastase solutionofthecosmologicalconstantproblemwithinholographiccosmology |