Gravitino production during preheating
| dc.contributor.author | López Maroto, Antonio | |
| dc.date.accessioned | 2023-06-20T19:09:42Z | |
| dc.date.available | 2023-06-20T19:09:42Z | |
| dc.date.issued | 2000 | |
| dc.description | International Workshop on Particles in Astrophysics and Cosmology (1999. Valencia). © 2014 Elsevier B.V. I thank A. Mazumdar for useful discussions. This work has been supported by SEUID-Royal Society and CICYT-AEN97-1693 (Spain). | |
| dc.description.abstract | We study the production of gravitinos during the preheating era after inflation by means of the non-perturbative Bogolyubov technique. Considering only the helicity ±3/2 states, the problem is reduced to the simpler Dirac fermions case. We calculate the production in a particular supergravity model in an expanding universe and obtain the spectrum and number density. Finally we compare the results with the nucleosynthesis bounds and extract some consequences. | |
| dc.description.department | Depto. de Física Teórica | |
| dc.description.faculty | Fac. de Ciencias Físicas | |
| dc.description.refereed | TRUE | |
| dc.description.sponsorship | SEUID-Royal Society (Spain) | |
| dc.description.sponsorship | CICYT (Spain) | |
| dc.description.status | pub | |
| dc.eprint.id | https://eprints.ucm.es/id/eprint/27337 | |
| dc.identifier.doi | 10.1016/S0920-5632(99)00896-8 | |
| dc.identifier.issn | 0920-5632 | |
| dc.identifier.officialurl | http://dx.doi.org/10.1016/S0920-5632(99)00896-8 | |
| dc.identifier.relatedurl | http://www.sciencedirect.com/ | |
| dc.identifier.relatedurl | http://arxiv.org/abs/hep-ph/9906388 | |
| dc.identifier.uri | https://hdl.handle.net/20.500.14352/59331 | |
| dc.journal.title | Nuclear Physics B-Proceedings Supplements | |
| dc.language.iso | eng | |
| dc.page.final | 355 | |
| dc.page.initial | 351 | |
| dc.publisher | Elsevier Science Bv | |
| dc.relation.projectID | AEN97-1693 | |
| dc.rights.accessRights | open access | |
| dc.subject.cdu | 53 | |
| dc.subject.keyword | Big-bang nucleosynthesis | |
| dc.subject.keyword | Inflation | |
| dc.subject.keyword | Fermions | |
| dc.subject.keyword | Supersymmetry | |
| dc.subject.keyword | Supergravity | |
| dc.subject.keyword | Universe | |
| dc.subject.keyword | Physics | |
| dc.subject.ucm | Física (Física) | |
| dc.subject.unesco | 22 Física | |
| dc.title | Gravitino production during preheating | |
| dc.type | journal article | |
| dc.volume.number | 81 | |
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| dspace.entity.type | Publication | |
| relation.isAuthorOfPublication | e14691a1-d3b0-47b7-96d5-24d645534471 | |
| relation.isAuthorOfPublication.latestForDiscovery | e14691a1-d3b0-47b7-96d5-24d645534471 |
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