Dust Acoustic Dromions in a Magnetized, Five-Component Cometary Plasma
A study of the characteristics of dust acoustic dromions (DADs), described by the Davey-Stewartson-I (DS-I) equations, in a five-component cometary plasma has been carried out, the five components being negatively charged dust particles, superthermal electrons (hotter solar and colder cometary elect...
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| Veröffentlicht in: | IEEE transactions on plasma science 2022-05, Vol.50 (5), p.1313-1322 |
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| container_title | IEEE transactions on plasma science |
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| creator | Willington, Neethu Theresa Shilpa, S. Saritha, A. C. Philip, Ninan Sajeeth Venugopal, Chandu |
| description | A study of the characteristics of dust acoustic dromions (DADs), described by the Davey-Stewartson-I (DS-I) equations, in a five-component cometary plasma has been carried out, the five components being negatively charged dust particles, superthermal electrons (hotter solar and colder cometary electrons), and positively charged hydrogen and oxygen ions. It is found that the parametric region for the existence of dromions is influenced by the superthermality of both ions and electrons. The effects of various physical parameters, such as the superthermality, strength of the magnetic field, and concentrations of hydrogen and oxygen ions and cometary electrons on the propagation of the DADs, have been studied. The results of the present investigation could be useful for understanding some of the nonlinear features of localized electrostatic disturbances in a cometary environment. The study also proves that dromions can propagate in these plasmas. |
| doi_str_mv | 10.1109/TPS.2022.3163666 |
| format | Article |
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C. ; Philip, Ninan Sajeeth ; Venugopal, Chandu</creator><creatorcontrib>Willington, Neethu Theresa ; Shilpa, S. ; Saritha, A. C. ; Philip, Ninan Sajeeth ; Venugopal, Chandu</creatorcontrib><description>A study of the characteristics of dust acoustic dromions (DADs), described by the Davey-Stewartson-I (DS-I) equations, in a five-component cometary plasma has been carried out, the five components being negatively charged dust particles, superthermal electrons (hotter solar and colder cometary electrons), and positively charged hydrogen and oxygen ions. It is found that the parametric region for the existence of dromions is influenced by the superthermality of both ions and electrons. The effects of various physical parameters, such as the superthermality, strength of the magnetic field, and concentrations of hydrogen and oxygen ions and cometary electrons on the propagation of the DADs, have been studied. The results of the present investigation could be useful for understanding some of the nonlinear features of localized electrostatic disturbances in a cometary environment. The study also proves that dromions can propagate in these plasmas.</description><identifier>ISSN: 0093-3813</identifier><identifier>EISSN: 1939-9375</identifier><identifier>DOI: 10.1109/TPS.2022.3163666</identifier><identifier>CODEN: ITPSBD</identifier><language>eng</language><publisher>New York: IEEE</publisher><subject>Acoustics ; cometary plasma ; Comets ; Dust ; Dust acoustic dromions (DADs) ; dusty plasma ; Dusty plasmas ; Electrons ; Hydrogen ; Ions ; Magnetic fields ; Magnetoacoustic effects ; Magnetosphere ; Oxygen ions ; Physical properties ; Plasmas ; Plasmas (physics)</subject><ispartof>IEEE transactions on plasma science, 2022-05, Vol.50 (5), p.1313-1322</ispartof><rights>Copyright The Institute of Electrical and Electronics Engineers, Inc. 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C.</creatorcontrib><creatorcontrib>Philip, Ninan Sajeeth</creatorcontrib><creatorcontrib>Venugopal, Chandu</creatorcontrib><title>Dust Acoustic Dromions in a Magnetized, Five-Component Cometary Plasma</title><title>IEEE transactions on plasma science</title><addtitle>TPS</addtitle><description>A study of the characteristics of dust acoustic dromions (DADs), described by the Davey-Stewartson-I (DS-I) equations, in a five-component cometary plasma has been carried out, the five components being negatively charged dust particles, superthermal electrons (hotter solar and colder cometary electrons), and positively charged hydrogen and oxygen ions. It is found that the parametric region for the existence of dromions is influenced by the superthermality of both ions and electrons. The effects of various physical parameters, such as the superthermality, strength of the magnetic field, and concentrations of hydrogen and oxygen ions and cometary electrons on the propagation of the DADs, have been studied. The results of the present investigation could be useful for understanding some of the nonlinear features of localized electrostatic disturbances in a cometary environment. The study also proves that dromions can propagate in these plasmas.</description><subject>Acoustics</subject><subject>cometary plasma</subject><subject>Comets</subject><subject>Dust</subject><subject>Dust acoustic dromions (DADs)</subject><subject>dusty plasma</subject><subject>Dusty plasmas</subject><subject>Electrons</subject><subject>Hydrogen</subject><subject>Ions</subject><subject>Magnetic fields</subject><subject>Magnetoacoustic effects</subject><subject>Magnetosphere</subject><subject>Oxygen ions</subject><subject>Physical properties</subject><subject>Plasmas</subject><subject>Plasmas (physics)</subject><issn>0093-3813</issn><issn>1939-9375</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2022</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNo9kEtLAzEURoMoWKt7wU3ArVPzzmRZ-lChYsG6Dpk0kZTOpCZTQX-9KS2uvrs4372XA8AtRiOMkXpcLd9HBBEyolhQIcQZGGBFVaWo5OdggJCiFa0xvQRXOW8QwowjMgDz6T73cGxjiWDhNMU2xC7D0EEDX81n5_rw69YPcB6-XTWJ7S52ruthmVxv0g9cbk1uzTW48Gab3c0ph-BjPltNnqvF29PLZLyoLGGsr5SviawZFsI2lDvVcCR5LYXh3kmhKFaerz1lUlhnhOXEKsUbyRpOPeWkoUNwf9y7S_Fr73KvN3GfunJSEyEIUkJxVih0pGyKOSfn9S6FtnyrMdIHW7rY0gdb-mSrVO6OleCc-8eV5JIQTv8AokhkJw</recordid><startdate>20220501</startdate><enddate>20220501</enddate><creator>Willington, Neethu Theresa</creator><creator>Shilpa, S.</creator><creator>Saritha, A. 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C.</au><au>Philip, Ninan Sajeeth</au><au>Venugopal, Chandu</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Dust Acoustic Dromions in a Magnetized, Five-Component Cometary Plasma</atitle><jtitle>IEEE transactions on plasma science</jtitle><stitle>TPS</stitle><date>2022-05-01</date><risdate>2022</risdate><volume>50</volume><issue>5</issue><spage>1313</spage><epage>1322</epage><pages>1313-1322</pages><issn>0093-3813</issn><eissn>1939-9375</eissn><coden>ITPSBD</coden><abstract>A study of the characteristics of dust acoustic dromions (DADs), described by the Davey-Stewartson-I (DS-I) equations, in a five-component cometary plasma has been carried out, the five components being negatively charged dust particles, superthermal electrons (hotter solar and colder cometary electrons), and positively charged hydrogen and oxygen ions. 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| language | eng |
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| source | IEEE Electronic Library (IEL) |
| subjects | Acoustics cometary plasma Comets Dust Dust acoustic dromions (DADs) dusty plasma Dusty plasmas Electrons Hydrogen Ions Magnetic fields Magnetoacoustic effects Magnetosphere Oxygen ions Physical properties Plasmas Plasmas (physics) |
| title | Dust Acoustic Dromions in a Magnetized, Five-Component Cometary Plasma |
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