Intricacies of classical de Sitter string backgrounds
Up-to-date, there is no known example of a classical de Sitter solution of string theory, despite several good candidates. We consider here two newly discovered 10d supergravity de Sitter solutions, and analyse in great detail whether they can be promoted to classical string backgrounds. To that end...
| Main Authors: | , , |
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| Format: | Article |
| Language: | English |
| Published: |
Elsevier
2021-01-01
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| Series: | Physics Letters B |
| Online Access: | http://www.sciencedirect.com/science/article/pii/S0370269320308182 |
| _version_ | 1818669496420794368 |
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| author | David Andriot Paul Marconnet Timm Wrase |
| author_facet | David Andriot Paul Marconnet Timm Wrase |
| author_sort | David Andriot |
| collection | DOAJ |
| description | Up-to-date, there is no known example of a classical de Sitter solution of string theory, despite several good candidates. We consider here two newly discovered 10d supergravity de Sitter solutions, and analyse in great detail whether they can be promoted to classical string backgrounds. To that end, we identify five requirements to be met, and develop the necessary 10d tools to test the solutions. Eventually, they both fail to verify simultaneously all requirements, in spite of positive partial results. The explicit values obtained offer a clear illustration of the situation, and the analysis highlights various subtleties. We finally discuss the relation to the problem of scale separation. |
| first_indexed | 2024-12-17T06:53:08Z |
| format | Article |
| id | doaj.art-4223f801e68245629225f26c5b3f02b3 |
| institution | Directory Open Access Journal |
| issn | 0370-2693 |
| language | English |
| last_indexed | 2024-12-17T06:53:08Z |
| publishDate | 2021-01-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Physics Letters B |
| spelling | doaj.art-4223f801e68245629225f26c5b3f02b32022-12-21T21:59:31ZengElsevierPhysics Letters B0370-26932021-01-01812136015Intricacies of classical de Sitter string backgroundsDavid Andriot0Paul Marconnet1Timm Wrase2Institute for Theoretical Physics, TU Wien, Wiedner Hauptstrasse 8-10/136, A-1040 Vienna, AustriaEcole Normale Supérieure de Lyon, 15 parvis René Descartes, 69342 Lyon, France; Corresponding author.Institute for Theoretical Physics, TU Wien, Wiedner Hauptstrasse 8-10/136, A-1040 Vienna, Austria; Department of Physics, Lehigh University, 16 Memorial Drive East, Bethlehem, PA, 18018, USAUp-to-date, there is no known example of a classical de Sitter solution of string theory, despite several good candidates. We consider here two newly discovered 10d supergravity de Sitter solutions, and analyse in great detail whether they can be promoted to classical string backgrounds. To that end, we identify five requirements to be met, and develop the necessary 10d tools to test the solutions. Eventually, they both fail to verify simultaneously all requirements, in spite of positive partial results. The explicit values obtained offer a clear illustration of the situation, and the analysis highlights various subtleties. We finally discuss the relation to the problem of scale separation.http://www.sciencedirect.com/science/article/pii/S0370269320308182 |
| spellingShingle | David Andriot Paul Marconnet Timm Wrase Intricacies of classical de Sitter string backgrounds Physics Letters B |
| title | Intricacies of classical de Sitter string backgrounds |
| title_full | Intricacies of classical de Sitter string backgrounds |
| title_fullStr | Intricacies of classical de Sitter string backgrounds |
| title_full_unstemmed | Intricacies of classical de Sitter string backgrounds |
| title_short | Intricacies of classical de Sitter string backgrounds |
| title_sort | intricacies of classical de sitter string backgrounds |
| url | http://www.sciencedirect.com/science/article/pii/S0370269320308182 |
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