Bouncing scenario of general relativistic hydrodynamics in extended gravity
In this paper, we have framed bouncing cosmological model of the Universe in the presence of general relativistic hydrodynamics in an extended theory of gravity. The metric assumed here is the flat Friedmann-Robertson-Walker space-time and the stress energy tensor is of perfect fluid. Since general...
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| Veröffentlicht in: | Communications in theoretical physics 2021-02, Vol.73 (2), p.25401 |
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| creator | Shaikh, A Y Mishra, B |
| description | In this paper, we have framed bouncing cosmological model of the Universe in the presence of general relativistic hydrodynamics in an extended theory of gravity. The metric assumed here is the flat Friedmann-Robertson-Walker space-time and the stress energy tensor is of perfect fluid. Since general relativity (GR) has certain issues with late time cosmic speed up phenomena, here we have introduced an additional matter geometry coupling that described the extended gravity to GR. The dynamical parameters are derived and analyzed. The dynamical behavior of the equation of state parameter has been analyzed. We have observed that the bouncing behavior is mostly controlled by the coupling parameter. |
| doi_str_mv | 10.1088/1572-9494/abcfb2 |
| format | Article |
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Theor. Phys</addtitle><description>In this paper, we have framed bouncing cosmological model of the Universe in the presence of general relativistic hydrodynamics in an extended theory of gravity. The metric assumed here is the flat Friedmann-Robertson-Walker space-time and the stress energy tensor is of perfect fluid. Since general relativity (GR) has certain issues with late time cosmic speed up phenomena, here we have introduced an additional matter geometry coupling that described the extended gravity to GR. The dynamical parameters are derived and analyzed. The dynamical behavior of the equation of state parameter has been analyzed. We have observed that the bouncing behavior is mostly controlled by the coupling parameter.</description><subject>bouncing scenario</subject><subject>energy conditions</subject><subject>extended gravity</subject><subject>FRW metric</subject><issn>0253-6102</issn><issn>1572-9494</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><recordid>eNp9kL1PwzAUxC0EEqWwM3pjIdRfqeMRKgqISiwwWy-OXVy1dmSnFfnvSVTEhJie9HR3uvshdE3JHSVVNaOlZIUSSsygNq5mJ2jy-zpFE8JKXswpYefoIucNIYTJOZ2g14e4D8aHNc7GBkg-4ujw2gabYIuT3ULnDz533uDPvkmx6QPsvMnYB2y_Ohsa2-B1goPv-kt05mCb7dXPnaKP5eP74rlYvT29LO5XheGUdcVQYg7EKUlNTY2tFGVcgBQEJOeqZAIqIZ2s6rIUgnMhK2PAOgFCOaGI4VNEjrkmxZyTdbpNfgep15ToEYYel-txuT7CGCy3R4uPrd7EfQpDwf_kN3_ITddqyTXTA0xBqG4bx78B8WpvDw</recordid><startdate>20210201</startdate><enddate>20210201</enddate><creator>Shaikh, A Y</creator><creator>Mishra, B</creator><general>IOP Publishing</general><scope>AAYXX</scope><scope>CITATION</scope><orcidid>https://orcid.org/0000-0001-5527-3565</orcidid></search><sort><creationdate>20210201</creationdate><title>Bouncing scenario of general relativistic hydrodynamics in extended gravity</title><author>Shaikh, A Y ; Mishra, B</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c312t-1026a0f971cb1ce891234a740a7339524a847f78b554433478ccaef4a49f490c3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>bouncing scenario</topic><topic>energy conditions</topic><topic>extended gravity</topic><topic>FRW metric</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Shaikh, A Y</creatorcontrib><creatorcontrib>Mishra, B</creatorcontrib><collection>CrossRef</collection><jtitle>Communications in theoretical physics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Shaikh, A Y</au><au>Mishra, B</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Bouncing scenario of general relativistic hydrodynamics in extended gravity</atitle><jtitle>Communications in theoretical physics</jtitle><stitle>CTP</stitle><addtitle>Commun. Theor. Phys</addtitle><date>2021-02-01</date><risdate>2021</risdate><volume>73</volume><issue>2</issue><spage>25401</spage><pages>25401-</pages><issn>0253-6102</issn><eissn>1572-9494</eissn><abstract>In this paper, we have framed bouncing cosmological model of the Universe in the presence of general relativistic hydrodynamics in an extended theory of gravity. The metric assumed here is the flat Friedmann-Robertson-Walker space-time and the stress energy tensor is of perfect fluid. Since general relativity (GR) has certain issues with late time cosmic speed up phenomena, here we have introduced an additional matter geometry coupling that described the extended gravity to GR. The dynamical parameters are derived and analyzed. The dynamical behavior of the equation of state parameter has been analyzed. We have observed that the bouncing behavior is mostly controlled by the coupling parameter.</abstract><pub>IOP Publishing</pub><doi>10.1088/1572-9494/abcfb2</doi><tpages>6</tpages><orcidid>https://orcid.org/0000-0001-5527-3565</orcidid></addata></record> |
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| ispartof | Communications in theoretical physics, 2021-02, Vol.73 (2), p.25401 |
| issn | 0253-6102 1572-9494 |
| language | eng |
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| source | IOP Publishing Journals; Institute of Physics (IOP) Journals - HEAL-Link; Alma/SFX Local Collection |
| subjects | bouncing scenario energy conditions extended gravity FRW metric |
| title | Bouncing scenario of general relativistic hydrodynamics in extended gravity |
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