Cosmological viable f(R,T) dark energy model: dynamics and stability
In this paper we undertake the modified theory of gravity f ( R , T ), where R and T are the Ricci scalar and the trace of the energy momentum tensor, respectively. Imposing the conservation of the energy momentum tensor, we obtain a model about what dynamics and stability are studied. The stability...
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| Veröffentlicht in: | Astrophysics and space science 2015-03, Vol.356 (1), p.173-180 |
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| creator | Baffou, E. H. Kpadonou, A. V. Rodrigues, M. E. Houndjo, M. J. S. Tossa, J. |
| description | In this paper we undertake the modified theory of gravity
f
(
R
,
T
), where
R
and
T
are the Ricci scalar and the trace of the energy momentum tensor, respectively. Imposing the conservation of the energy momentum tensor, we obtain a model about what dynamics and stability are studied. The stability is developed using the de Sitter and power-law solutions. The results show that the model presents stability for both the de Sitter and power-law solutions. Regarding the dynamics, cosmological solutions are obtained by integrating the background equations for both the low-redshift and high-redshift regimes and are consistent with the observational data. |
| doi_str_mv | 10.1007/s10509-014-2197-z |
| format | Article |
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f
(
R
,
T
), where
R
and
T
are the Ricci scalar and the trace of the energy momentum tensor, respectively. Imposing the conservation of the energy momentum tensor, we obtain a model about what dynamics and stability are studied. The stability is developed using the de Sitter and power-law solutions. The results show that the model presents stability for both the de Sitter and power-law solutions. Regarding the dynamics, cosmological solutions are obtained by integrating the background equations for both the low-redshift and high-redshift regimes and are consistent with the observational data.</description><identifier>ISSN: 0004-640X</identifier><identifier>EISSN: 1572-946X</identifier><identifier>DOI: 10.1007/s10509-014-2197-z</identifier><language>eng</language><publisher>Dordrecht: Springer Netherlands</publisher><subject>Astrobiology ; Astronomy ; Astrophysics ; Astrophysics and Astroparticles ; Cosmology ; Dark energy ; Dynamic tests ; Dynamics ; Energy conservation ; Gravitation ; Gravity ; Mathematical analysis ; Mathematical models ; Observations and Techniques ; Original Article ; Physics ; Physics and Astronomy ; Scalars ; Space Exploration and Astronautics ; Space Sciences (including Extraterrestrial Physics ; Stability ; Tensors</subject><ispartof>Astrophysics and space science, 2015-03, Vol.356 (1), p.173-180</ispartof><rights>Springer Science+Business Media Dordrecht 2014</rights><rights>Springer Science+Business Media Dordrecht 2015</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c518t-36bb0c9619f1072af0ab1fa9a0c6017bd99ef61e05766fa0302d67d9952b04f53</citedby><cites>FETCH-LOGICAL-c518t-36bb0c9619f1072af0ab1fa9a0c6017bd99ef61e05766fa0302d67d9952b04f53</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s10509-014-2197-z$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s10509-014-2197-z$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,778,782,27911,27912,41475,42544,51306</link.rule.ids></links><search><creatorcontrib>Baffou, E. H.</creatorcontrib><creatorcontrib>Kpadonou, A. V.</creatorcontrib><creatorcontrib>Rodrigues, M. E.</creatorcontrib><creatorcontrib>Houndjo, M. J. S.</creatorcontrib><creatorcontrib>Tossa, J.</creatorcontrib><title>Cosmological viable f(R,T) dark energy model: dynamics and stability</title><title>Astrophysics and space science</title><addtitle>Astrophys Space Sci</addtitle><description>In this paper we undertake the modified theory of gravity
f
(
R
,
T
), where
R
and
T
are the Ricci scalar and the trace of the energy momentum tensor, respectively. Imposing the conservation of the energy momentum tensor, we obtain a model about what dynamics and stability are studied. The stability is developed using the de Sitter and power-law solutions. The results show that the model presents stability for both the de Sitter and power-law solutions. Regarding the dynamics, cosmological solutions are obtained by integrating the background equations for both the low-redshift and high-redshift regimes and are consistent with the observational data.</description><subject>Astrobiology</subject><subject>Astronomy</subject><subject>Astrophysics</subject><subject>Astrophysics and Astroparticles</subject><subject>Cosmology</subject><subject>Dark energy</subject><subject>Dynamic tests</subject><subject>Dynamics</subject><subject>Energy conservation</subject><subject>Gravitation</subject><subject>Gravity</subject><subject>Mathematical analysis</subject><subject>Mathematical models</subject><subject>Observations and Techniques</subject><subject>Original Article</subject><subject>Physics</subject><subject>Physics and Astronomy</subject><subject>Scalars</subject><subject>Space Exploration and Astronautics</subject><subject>Space Sciences (including Extraterrestrial Physics</subject><subject>Stability</subject><subject>Tensors</subject><issn>0004-640X</issn><issn>1572-946X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2015</creationdate><recordtype>article</recordtype><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><recordid>eNqNkV1LwzAUhoMoOKc_wLuCNxOMnmRp0ngn8xMGgkzYXUjbZHS2jSad0P16M-qFCIJXh3N43hcOD0KnBC4JgLgKBFKQGAjDlEiBt3toRFJBsWR8uY9GAMAwZ7A8REchrOMquRQjdDtzoXG1W1WFrpPPSue1Sezk5WJxnpTavyWmNX7VJ40rTX2dlH2rm6oIiW7LJHQ6r-qq64_RgdV1MCffc4xe7-8Ws0c8f354mt3McZGSrMNTnudQSE6kJSCotqBzYrXUUHAgIi-lNJYTA6ng3GqYAi25iNeU5sBsOh2jydD77t3HxoRONVUoTF3r1rhNUIQLIVPOZPYPlGeUSUp5RM9-oWu38W18JFJpxlnGqYwUGajCuxC8serdV432vSKgdgrUoEBFBWqnQG1jhg6ZENl2ZfyP5j9DX0cCh3k</recordid><startdate>20150301</startdate><enddate>20150301</enddate><creator>Baffou, E. 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V. ; Rodrigues, M. E. ; Houndjo, M. J. S. ; Tossa, J.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c518t-36bb0c9619f1072af0ab1fa9a0c6017bd99ef61e05766fa0302d67d9952b04f53</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2015</creationdate><topic>Astrobiology</topic><topic>Astronomy</topic><topic>Astrophysics</topic><topic>Astrophysics and Astroparticles</topic><topic>Cosmology</topic><topic>Dark energy</topic><topic>Dynamic tests</topic><topic>Dynamics</topic><topic>Energy conservation</topic><topic>Gravitation</topic><topic>Gravity</topic><topic>Mathematical analysis</topic><topic>Mathematical models</topic><topic>Observations and Techniques</topic><topic>Original Article</topic><topic>Physics</topic><topic>Physics and Astronomy</topic><topic>Scalars</topic><topic>Space Exploration and Astronautics</topic><topic>Space Sciences (including Extraterrestrial Physics</topic><topic>Stability</topic><topic>Tensors</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Baffou, E. 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H.</au><au>Kpadonou, A. V.</au><au>Rodrigues, M. E.</au><au>Houndjo, M. J. S.</au><au>Tossa, J.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Cosmological viable f(R,T) dark energy model: dynamics and stability</atitle><jtitle>Astrophysics and space science</jtitle><stitle>Astrophys Space Sci</stitle><date>2015-03-01</date><risdate>2015</risdate><volume>356</volume><issue>1</issue><spage>173</spage><epage>180</epage><pages>173-180</pages><issn>0004-640X</issn><eissn>1572-946X</eissn><abstract>In this paper we undertake the modified theory of gravity
f
(
R
,
T
), where
R
and
T
are the Ricci scalar and the trace of the energy momentum tensor, respectively. Imposing the conservation of the energy momentum tensor, we obtain a model about what dynamics and stability are studied. The stability is developed using the de Sitter and power-law solutions. The results show that the model presents stability for both the de Sitter and power-law solutions. Regarding the dynamics, cosmological solutions are obtained by integrating the background equations for both the low-redshift and high-redshift regimes and are consistent with the observational data.</abstract><cop>Dordrecht</cop><pub>Springer Netherlands</pub><doi>10.1007/s10509-014-2197-z</doi><tpages>8</tpages></addata></record> |
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| subjects | Astrobiology Astronomy Astrophysics Astrophysics and Astroparticles Cosmology Dark energy Dynamic tests Dynamics Energy conservation Gravitation Gravity Mathematical analysis Mathematical models Observations and Techniques Original Article Physics Physics and Astronomy Scalars Space Exploration and Astronautics Space Sciences (including Extraterrestrial Physics Stability Tensors |
| title | Cosmological viable f(R,T) dark energy model: dynamics and stability |
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