Enhancing constraints and precision studies for a deeper understanding of the universe using CMB and 21cm maps

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dc.contributor.advisor1Ricaldi, Wiliam Santiago Hipolito
dc.contributor.advisor1IDhttps://orcid.org/000000021748553X
dc.contributor.advisor1Latteshttp://lattes.cnpq.br/0293080746483402
dc.contributor.authorMokeddem, Rahima
dc.contributor.authorIDhttps://orcid.org/0000000283795106
dc.contributor.authorLatteshttp://lattes.cnpq.br/3993334728622346
dc.contributor.referee1Souza, Carlos Alexandre Wuensche de
dc.contributor.referee1IDhttps://orcid.org/0000-0003-1373-4719
dc.contributor.referee1Latteshttp://lattes.cnpq.br/1448223845901360
dc.contributor.referee2Rodrigues, Davi Cabral
dc.contributor.referee2IDhttps://orcid.org/0000000316835443
dc.contributor.referee2Latteshttp://lattes.cnpq.br/5465449494182034
dc.contributor.referee3Leo, Armando Bartolome Bernui
dc.contributor.referee3IDhttps://orcid.org/0000-0003-3034-0762
dc.contributor.referee3Latteshttp://lattes.cnpq.br/6926651124954505
dc.contributor.referee4Marra, Valerio
dc.contributor.referee4IDhttps://orcid.org/0000000277731579
dc.contributor.referee4Latteshttp://lattes.cnpq.br/6846011112691877
dc.date.accessioned2024-05-30T01:42:18Z
dc.date.available2024-05-30T01:42:18Z
dc.date.issued2023-08-09
dc.description.abstractThis thesis focuses on enhancing constraints and precision studies to deepen our understanding of the universe. By improving measurements and testing methods, we aim to achieve higher-resolution simulations and more precise results. The thesis specifically addresses the lensing amplitude parameter, investigating its accuracy and quantifying any discrepancies. Additionally, we explore the generation of 21cm mocks in different cosmologies, using the remapping technique to obtain reliable results. The findings of this thesis have the potential to revolutionize our understanding of large-scale structures, the cosmic microwave background, and the early and late stages of the universe by precisely estimating the lensing amplitude AL and by introducing for the first time 21cm mocks in three different cosmologies, that were obtained in a very timely mannered way starting from one dark matter halo catalogue.
dc.description.sponsorshipConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
dc.formatText
dc.identifier.urihttp://repositorio.ufes.br/handle/10/17080
dc.languagepor
dc.publisherUniversidade Federal do Espírito Santo
dc.publisher.countryBR
dc.publisher.courseDoutorado em Astrofísica, Cosmologia e Gravitação
dc.publisher.departmentCentro de Ciências Exatas
dc.publisher.initialsUFES
dc.publisher.programPrograma de Pós-Graduação em Astrofísica, Cosmologia e Gravitação
dc.rightsopen access
dc.subjectAmplitude de lenteamento
dc.subjectFundo cósmico de micro-ondas
dc.subject.br-rjbnsubject.br-rjbn
dc.subject.cnpqAstronomia
dc.titleEnhancing constraints and precision studies for a deeper understanding of the universe using CMB and 21cm maps
dc.typedoctoralThesis
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Doutorado em Astrofísica, Cosmologia e Gravitação