Cosmological Constraints on Perturbative Supersymmetry Breaking
We discuss the cosmology of string models with perturbative supersymmetry breaking at a scale of ${\cal O}$(TeV). Such models exhibit Kaluza-Klein like spectra and contain unstable massive gravitinos/gravitons. We find that considerations of primordial nucleosynthesis constrain the maximum temperatu...
| Main Authors: | , |
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| Format: | Journal article |
| Language: | English |
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1994
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| _version_ | 1826267524115726336 |
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| author | Abel, SA Sarkar, S |
| author_facet | Abel, SA Sarkar, S |
| author_sort | Abel, SA |
| collection | OXFORD |
| description | We discuss the cosmology of string models with perturbative supersymmetry breaking at a scale of ${\cal O}$(TeV). Such models exhibit Kaluza-Klein like spectra and contain unstable massive gravitinos/gravitons. We find that considerations of primordial nucleosynthesis constrain the maximum temperature following inflation to be not much larger than the supersymmetry breaking scale. This imposes conflicting requirements on the scalar field driving inflation, making it rather difficult to construct a consistent cosmological history for such models. |
| first_indexed | 2024-03-06T20:55:30Z |
| format | Journal article |
| id | oxford-uuid:39193218-c10e-4b21-b92d-dc8709c718ab |
| institution | University of Oxford |
| language | English |
| last_indexed | 2024-03-06T20:55:30Z |
| publishDate | 1994 |
| record_format | dspace |
| spelling | oxford-uuid:39193218-c10e-4b21-b92d-dc8709c718ab2022-03-26T13:53:38ZCosmological Constraints on Perturbative Supersymmetry BreakingJournal articlehttp://purl.org/coar/resource_type/c_dcae04bcuuid:39193218-c10e-4b21-b92d-dc8709c718abEnglishSymplectic Elements at Oxford1994Abel, SASarkar, SWe discuss the cosmology of string models with perturbative supersymmetry breaking at a scale of ${\cal O}$(TeV). Such models exhibit Kaluza-Klein like spectra and contain unstable massive gravitinos/gravitons. We find that considerations of primordial nucleosynthesis constrain the maximum temperature following inflation to be not much larger than the supersymmetry breaking scale. This imposes conflicting requirements on the scalar field driving inflation, making it rather difficult to construct a consistent cosmological history for such models. |
| spellingShingle | Abel, SA Sarkar, S Cosmological Constraints on Perturbative Supersymmetry Breaking |
| title | Cosmological Constraints on Perturbative Supersymmetry Breaking |
| title_full | Cosmological Constraints on Perturbative Supersymmetry Breaking |
| title_fullStr | Cosmological Constraints on Perturbative Supersymmetry Breaking |
| title_full_unstemmed | Cosmological Constraints on Perturbative Supersymmetry Breaking |
| title_short | Cosmological Constraints on Perturbative Supersymmetry Breaking |
| title_sort | cosmological constraints on perturbative supersymmetry breaking |
| work_keys_str_mv | AT abelsa cosmologicalconstraintsonperturbativesupersymmetrybreaking AT sarkars cosmologicalconstraintsonperturbativesupersymmetrybreaking |