Power spectrum of inflationary attractors
Inflationary attractors predict the spectral index and tensor-to-scalar ratio to take specific values that are consistent with Planck. An example is the universal attractor for models with a generalized nonminimal coupling, leading to Starobinsky inflation. In this paper we demonstrate that it also...
Gespeichert in:
| Veröffentlicht in: | Physical review. D, Particles, fields, gravitation, and cosmology Particles, fields, gravitation, and cosmology, 2015-01, Vol.91 (2), Article 023514 |
|---|---|
| Hauptverfasser: | , , |
| Format: | Artikel |
| Sprache: | eng |
| Schlagworte: | |
| Online-Zugang: | Volltext |
| Tags: |
Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
|
| container_end_page | |
|---|---|
| container_issue | 2 |
| container_start_page | |
| container_title | Physical review. D, Particles, fields, gravitation, and cosmology |
| container_volume | 91 |
| creator | Broy, Benedict J. Roest, Diederik Westphal, Alexander |
| description | Inflationary attractors predict the spectral index and tensor-to-scalar ratio to take specific values that are consistent with Planck. An example is the universal attractor for models with a generalized nonminimal coupling, leading to Starobinsky inflation. In this paper we demonstrate that it also predicts a specific relation between the amplitude of the power spectrum and the number of e-folds. The length and height of the inflationary plateau are related via the nonminimal coupling: in a wide variety of examples, the observed power normalization leads to at least 55 flat e-foldings. Prior to this phase, the inflationary predictions vary and can account for the observational indications of power loss at large angular scales. |
| doi_str_mv | 10.1103/PhysRevD.91.023514 |
| format | Article |
| fullrecord | <record><control><sourceid>proquest_cross</sourceid><recordid>TN_cdi_proquest_miscellaneous_1709768808</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><sourcerecordid>1709768808</sourcerecordid><originalsourceid>FETCH-LOGICAL-c350t-bc02060ad580658b7110217aa60b9c5437e7e7b3efcba04e2f0a94d677da57593</originalsourceid><addsrcrecordid>eNo1kE1LxDAURYMoOI7-AVdd6qL1JWmaZCnjJww4iK5DmiZYaZuapMr8eysdeYv7FpfL4SB0iaHAGOjN7mMfX-33XSFxAYQyXB6hFWYMckIrcXz4uZTiFJ3F-AlAScX5Cl3v_I8NWRytSWHqM--ydnCdTq0fdNhnOqWgTfIhnqMTp7toLw65Ru8P92-bp3z78vi8ud3mhjJIeW2AQAW6YQIqJmo-8xHMta6gloaVlNv5amqdqTWUljjQsmxmmEYzziRdo6tldwz-a7Ixqb6NxnadHqyfosIcJK-EADFXyVI1wccYrFNjaPsZW2FQf17UvxclsVq80F8KG1dA</addsrcrecordid><sourcetype>Aggregation Database</sourcetype><iscdi>true</iscdi><recordtype>article</recordtype><pqid>1709768808</pqid></control><display><type>article</type><title>Power spectrum of inflationary attractors</title><source>American Physical Society Journals</source><creator>Broy, Benedict J. ; Roest, Diederik ; Westphal, Alexander</creator><creatorcontrib>Broy, Benedict J. ; Roest, Diederik ; Westphal, Alexander</creatorcontrib><description>Inflationary attractors predict the spectral index and tensor-to-scalar ratio to take specific values that are consistent with Planck. An example is the universal attractor for models with a generalized nonminimal coupling, leading to Starobinsky inflation. In this paper we demonstrate that it also predicts a specific relation between the amplitude of the power spectrum and the number of e-folds. The length and height of the inflationary plateau are related via the nonminimal coupling: in a wide variety of examples, the observed power normalization leads to at least 55 flat e-foldings. Prior to this phase, the inflationary predictions vary and can account for the observational indications of power loss at large angular scales.</description><identifier>ISSN: 1550-7998</identifier><identifier>EISSN: 1550-2368</identifier><identifier>DOI: 10.1103/PhysRevD.91.023514</identifier><language>eng</language><subject>Cosmology ; Flats ; Gravitation ; Indexes (ratios) ; Inflation ; Joining ; Mathematical models ; Spectra</subject><ispartof>Physical review. D, Particles, fields, gravitation, and cosmology, 2015-01, Vol.91 (2), Article 023514</ispartof><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c350t-bc02060ad580658b7110217aa60b9c5437e7e7b3efcba04e2f0a94d677da57593</citedby><cites>FETCH-LOGICAL-c350t-bc02060ad580658b7110217aa60b9c5437e7e7b3efcba04e2f0a94d677da57593</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,2863,2864,27901,27902</link.rule.ids></links><search><creatorcontrib>Broy, Benedict J.</creatorcontrib><creatorcontrib>Roest, Diederik</creatorcontrib><creatorcontrib>Westphal, Alexander</creatorcontrib><title>Power spectrum of inflationary attractors</title><title>Physical review. D, Particles, fields, gravitation, and cosmology</title><description>Inflationary attractors predict the spectral index and tensor-to-scalar ratio to take specific values that are consistent with Planck. An example is the universal attractor for models with a generalized nonminimal coupling, leading to Starobinsky inflation. In this paper we demonstrate that it also predicts a specific relation between the amplitude of the power spectrum and the number of e-folds. The length and height of the inflationary plateau are related via the nonminimal coupling: in a wide variety of examples, the observed power normalization leads to at least 55 flat e-foldings. Prior to this phase, the inflationary predictions vary and can account for the observational indications of power loss at large angular scales.</description><subject>Cosmology</subject><subject>Flats</subject><subject>Gravitation</subject><subject>Indexes (ratios)</subject><subject>Inflation</subject><subject>Joining</subject><subject>Mathematical models</subject><subject>Spectra</subject><issn>1550-7998</issn><issn>1550-2368</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2015</creationdate><recordtype>article</recordtype><recordid>eNo1kE1LxDAURYMoOI7-AVdd6qL1JWmaZCnjJww4iK5DmiZYaZuapMr8eysdeYv7FpfL4SB0iaHAGOjN7mMfX-33XSFxAYQyXB6hFWYMckIrcXz4uZTiFJ3F-AlAScX5Cl3v_I8NWRytSWHqM--ydnCdTq0fdNhnOqWgTfIhnqMTp7toLw65Ru8P92-bp3z78vi8ud3mhjJIeW2AQAW6YQIqJmo-8xHMta6gloaVlNv5amqdqTWUljjQsmxmmEYzziRdo6tldwz-a7Ixqb6NxnadHqyfosIcJK-EADFXyVI1wccYrFNjaPsZW2FQf17UvxclsVq80F8KG1dA</recordid><startdate>20150126</startdate><enddate>20150126</enddate><creator>Broy, Benedict J.</creator><creator>Roest, Diederik</creator><creator>Westphal, Alexander</creator><scope>AAYXX</scope><scope>CITATION</scope><scope>7U5</scope><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope></search><sort><creationdate>20150126</creationdate><title>Power spectrum of inflationary attractors</title><author>Broy, Benedict J. ; Roest, Diederik ; Westphal, Alexander</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c350t-bc02060ad580658b7110217aa60b9c5437e7e7b3efcba04e2f0a94d677da57593</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2015</creationdate><topic>Cosmology</topic><topic>Flats</topic><topic>Gravitation</topic><topic>Indexes (ratios)</topic><topic>Inflation</topic><topic>Joining</topic><topic>Mathematical models</topic><topic>Spectra</topic><toplevel>online_resources</toplevel><creatorcontrib>Broy, Benedict J.</creatorcontrib><creatorcontrib>Roest, Diederik</creatorcontrib><creatorcontrib>Westphal, Alexander</creatorcontrib><collection>CrossRef</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Physical review. D, Particles, fields, gravitation, and cosmology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Broy, Benedict J.</au><au>Roest, Diederik</au><au>Westphal, Alexander</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Power spectrum of inflationary attractors</atitle><jtitle>Physical review. D, Particles, fields, gravitation, and cosmology</jtitle><date>2015-01-26</date><risdate>2015</risdate><volume>91</volume><issue>2</issue><artnum>023514</artnum><issn>1550-7998</issn><eissn>1550-2368</eissn><abstract>Inflationary attractors predict the spectral index and tensor-to-scalar ratio to take specific values that are consistent with Planck. An example is the universal attractor for models with a generalized nonminimal coupling, leading to Starobinsky inflation. In this paper we demonstrate that it also predicts a specific relation between the amplitude of the power spectrum and the number of e-folds. The length and height of the inflationary plateau are related via the nonminimal coupling: in a wide variety of examples, the observed power normalization leads to at least 55 flat e-foldings. Prior to this phase, the inflationary predictions vary and can account for the observational indications of power loss at large angular scales.</abstract><doi>10.1103/PhysRevD.91.023514</doi><oa>free_for_read</oa></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 1550-7998 |
| ispartof | Physical review. D, Particles, fields, gravitation, and cosmology, 2015-01, Vol.91 (2), Article 023514 |
| issn | 1550-7998 1550-2368 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_1709768808 |
| source | American Physical Society Journals |
| subjects | Cosmology Flats Gravitation Indexes (ratios) Inflation Joining Mathematical models Spectra |
| title | Power spectrum of inflationary attractors |
| url | https://sfx.bib-bvb.de/sfx_tum?ctx_ver=Z39.88-2004&ctx_enc=info:ofi/enc:UTF-8&ctx_tim=2025-02-02T18%3A53%3A06IST&url_ver=Z39.88-2004&url_ctx_fmt=infofi/fmt:kev:mtx:ctx&rfr_id=info:sid/primo.exlibrisgroup.com:primo3-Article-proquest_cross&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.genre=article&rft.atitle=Power%20spectrum%20of%20inflationary%20attractors&rft.jtitle=Physical%20review.%20D,%20Particles,%20fields,%20gravitation,%20and%20cosmology&rft.au=Broy,%20Benedict%20J.&rft.date=2015-01-26&rft.volume=91&rft.issue=2&rft.artnum=023514&rft.issn=1550-7998&rft.eissn=1550-2368&rft_id=info:doi/10.1103/PhysRevD.91.023514&rft_dat=%3Cproquest_cross%3E1709768808%3C/proquest_cross%3E%3Curl%3E%3C/url%3E&disable_directlink=true&sfx.directlink=off&sfx.report_link=0&rft_id=info:oai/&rft_pqid=1709768808&rft_id=info:pmid/&rfr_iscdi=true |