Jeans gravitational instability in a collisional nonextensive dusty plasma with polarization force
In this paper, using the hydrodynamic model, the Jeans gravitational instability in a dusty plasma with q-nonextensive velocity distributions is investigated. The change in the Jeans instability criterion and growth rate due to the effects of the dust-ion collision, polarization force, and nonextens...
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| Veröffentlicht in: | Indian journal of physics 2023-05, Vol.97 (5), p.1605-1612 |
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| container_title | Indian journal of physics |
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| creator | Niknam, A. R. Sayyed Hasani, M. S. Rastbood, E. Abbasi Rostami, Sh Khorashadizadeh, S. M. |
| description | In this paper, using the hydrodynamic model, the Jeans gravitational instability in a dusty plasma with q-nonextensive velocity distributions is investigated. The change in the Jeans instability criterion and growth rate due to the effects of the dust-ion collision, polarization force, and nonextensivity parameters are analyzed in the dust acoustic frequency range. It is shown that by increasing the nonextensivity and polarization parameters, the threshold condition and growth rate of the instability enhance. Furthermore, it is represented that the dust-ion collisions have a stabilizing influence on the growth rate of the instability and drive the system toward thermal equilibrium. These results can be applied to astrophysical phenomena such as the collapse of interstellar gas clouds and subsequent star formation, and also, in the laboratory dusty plasmas. |
| doi_str_mv | 10.1007/s12648-022-02528-4 |
| format | Article |
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S.</creatorcontrib><creatorcontrib>Rastbood, E.</creatorcontrib><creatorcontrib>Abbasi Rostami, Sh</creatorcontrib><creatorcontrib>Khorashadizadeh, S. M.</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>Indian journal of physics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Niknam, A. R.</au><au>Sayyed Hasani, M. S.</au><au>Rastbood, E.</au><au>Abbasi Rostami, Sh</au><au>Khorashadizadeh, S. M.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Jeans gravitational instability in a collisional nonextensive dusty plasma with polarization force</atitle><jtitle>Indian journal of physics</jtitle><stitle>Indian J Phys</stitle><date>2023-05-01</date><risdate>2023</risdate><volume>97</volume><issue>5</issue><spage>1605</spage><epage>1612</epage><pages>1605-1612</pages><issn>0973-1458</issn><eissn>0974-9845</eissn><abstract>In this paper, using the hydrodynamic model, the Jeans gravitational instability in a dusty plasma with q-nonextensive velocity distributions is investigated. The change in the Jeans instability criterion and growth rate due to the effects of the dust-ion collision, polarization force, and nonextensivity parameters are analyzed in the dust acoustic frequency range. It is shown that by increasing the nonextensivity and polarization parameters, the threshold condition and growth rate of the instability enhance. Furthermore, it is represented that the dust-ion collisions have a stabilizing influence on the growth rate of the instability and drive the system toward thermal equilibrium. These results can be applied to astrophysical phenomena such as the collapse of interstellar gas clouds and subsequent star formation, and also, in the laboratory dusty plasmas.</abstract><cop>New Delhi</cop><pub>Springer India</pub><doi>10.1007/s12648-022-02528-4</doi><tpages>8</tpages><orcidid>https://orcid.org/0000-0002-1460-7677</orcidid></addata></record> |
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| subjects | Acoustic frequencies Astrophysics and Astroparticles Atomic collisions Dust Dusty plasmas Frequency ranges Gravitational instability Interstellar gas Original Paper Parameters Physics Physics and Astronomy Polarization Stability criteria Star formation |
| title | Jeans gravitational instability in a collisional nonextensive dusty plasma with polarization force |
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