Arbitrary amplitude electrostatic wave propagation in a magnetized dense plasma containing helium ions and degenerate electrons
The obliquely propagating arbitrary amplitude electrostatic wave is studied in a dense magnetized plasma having singly and doubly charged helium ions with nonrelativistic and ultrarelativistic degenerate electrons pressures. The Fermi temperature for ultrarelativistic degenerate electrons described...
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description | The obliquely propagating arbitrary amplitude electrostatic wave is studied in a dense magnetized plasma having singly and doubly charged helium ions with nonrelativistic and ultrarelativistic degenerate electrons pressures. The Fermi temperature for ultrarelativistic degenerate electrons described by N. M. Vernet [(Cambridge University Press, Cambridge, 2007), p. 57] is used to define ion acoustic speed in ultra-dense plasmas. The pseudo-potential approach is used to solve the fully nonlinear set of dynamic equations for obliquely propagating electrostatic waves in a dense magnetized plasma containing helium ions. The upper and lower Mach number ranges for the existence of electrostatic solitons are found which depends on the obliqueness of the wave propagation with respect to applied magnetic field and charge number of the helium ions. It is found that only compressive (hump) soliton structures are formed in all the cases and only subsonic solitons are formed for a singly charged helium ions plasma case with nonrelativistic degenerate electrons. Both subsonic and supersonic soliton hump structures are formed for doubly charged helium ions with nonrelativistic degenerate electrons and ultrarelativistic degenerate electrons plasma case containing singly as well as doubly charged helium ions. The effect of propagation direction on the soliton amplitude and width of the electrostatic waves is also presented. The numerical plots are also shown for illustration using dense plasma parameters of a compact star (white dwarf) from literature. |
doi_str_mv | 10.1063/1.4953423 |
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The Fermi temperature for ultrarelativistic degenerate electrons described by N. M. Vernet [(Cambridge University Press, Cambridge, 2007), p. 57] is used to define ion acoustic speed in ultra-dense plasmas. The pseudo-potential approach is used to solve the fully nonlinear set of dynamic equations for obliquely propagating electrostatic waves in a dense magnetized plasma containing helium ions. The upper and lower Mach number ranges for the existence of electrostatic solitons are found which depends on the obliqueness of the wave propagation with respect to applied magnetic field and charge number of the helium ions. It is found that only compressive (hump) soliton structures are formed in all the cases and only subsonic solitons are formed for a singly charged helium ions plasma case with nonrelativistic degenerate electrons. Both subsonic and supersonic soliton hump structures are formed for doubly charged helium ions with nonrelativistic degenerate electrons and ultrarelativistic degenerate electrons plasma case containing singly as well as doubly charged helium ions. The effect of propagation direction on the soliton amplitude and width of the electrostatic waves is also presented. The numerical plots are also shown for illustration using dense plasma parameters of a compact star (white dwarf) from literature.</description><identifier>ISSN: 1070-664X</identifier><identifier>EISSN: 1089-7674</identifier><identifier>DOI: 10.1063/1.4953423</identifier><identifier>CODEN: PHPAEN</identifier><language>eng</language><publisher>Melville: American Institute of Physics</publisher><subject>70 PLASMA PHYSICS AND FUSION TECHNOLOGY ; AMPLITUDES ; Dense plasmas ; ELECTRONS ; Electrostatic waves ; HELIUM ; HELIUM IONS ; MACH NUMBER ; MAGNETIC FIELDS ; Nonlinear equations ; NONLINEAR PROBLEMS ; Obliqueness ; Plasma ; Plasma physics ; PLASMA WAVES ; Propagation ; RELATIVISTIC RANGE ; Solitary waves ; SOLITONS ; WAVE PROPAGATION ; WHITE DWARF STARS ; WIDTH</subject><ispartof>Physics of plasmas, 2016-06, Vol.23 (6)</ispartof><rights>Author(s)</rights><rights>2016 Author(s). 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The Fermi temperature for ultrarelativistic degenerate electrons described by N. M. Vernet [(Cambridge University Press, Cambridge, 2007), p. 57] is used to define ion acoustic speed in ultra-dense plasmas. The pseudo-potential approach is used to solve the fully nonlinear set of dynamic equations for obliquely propagating electrostatic waves in a dense magnetized plasma containing helium ions. The upper and lower Mach number ranges for the existence of electrostatic solitons are found which depends on the obliqueness of the wave propagation with respect to applied magnetic field and charge number of the helium ions. It is found that only compressive (hump) soliton structures are formed in all the cases and only subsonic solitons are formed for a singly charged helium ions plasma case with nonrelativistic degenerate electrons. Both subsonic and supersonic soliton hump structures are formed for doubly charged helium ions with nonrelativistic degenerate electrons and ultrarelativistic degenerate electrons plasma case containing singly as well as doubly charged helium ions. The effect of propagation direction on the soliton amplitude and width of the electrostatic waves is also presented. The numerical plots are also shown for illustration using dense plasma parameters of a compact star (white dwarf) from literature.</description><subject>70 PLASMA PHYSICS AND FUSION TECHNOLOGY</subject><subject>AMPLITUDES</subject><subject>Dense plasmas</subject><subject>ELECTRONS</subject><subject>Electrostatic waves</subject><subject>HELIUM</subject><subject>HELIUM IONS</subject><subject>MACH NUMBER</subject><subject>MAGNETIC FIELDS</subject><subject>Nonlinear equations</subject><subject>NONLINEAR PROBLEMS</subject><subject>Obliqueness</subject><subject>Plasma</subject><subject>Plasma physics</subject><subject>PLASMA WAVES</subject><subject>Propagation</subject><subject>RELATIVISTIC RANGE</subject><subject>Solitary waves</subject><subject>SOLITONS</subject><subject>WAVE PROPAGATION</subject><subject>WHITE DWARF STARS</subject><subject>WIDTH</subject><issn>1070-664X</issn><issn>1089-7674</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2016</creationdate><recordtype>article</recordtype><recordid>eNp9kUtLxDAQx4so-Dz4DQKeFLrm0bTpUcQXCF4UvIU8pruRNq1JVtGLX92sK3oQPM0M_GbmP_8pikOCZwTX7JTMqpazirKNYodg0ZZN3VSbq7zBZV1Xj9vFboxPGOOq5mKn-DgL2qWgwhtSw9S7tLSAoAeTwhiTSs6gV_UCaArjpOa5Hj1yHik0qLmH5N7BIgs-ZqJXcVDIjD4p552fowX0bjmg3BKR8ituDh6CSj8bfNwvtjrVRzj4jnvFw-XF_fl1eXt3dXN-dlsaxnkqaxCYdcIIzrFhIMBiIFjTVhPdGaCdZo21DRdMMKa01pTWwtjG1JparCq2Vxyt5-arnIzGJTCLrNVnHZJS3opW8F8qn_u8hJjk07gMPguTlFDSVA0mNFPHa8pkj2KATk7BDdlCSbBcfUES-f2FzJ6s2dXKL_t-4Jcx_IJyst1_8N_Jn_F3mHk</recordid><startdate>20160601</startdate><enddate>20160601</enddate><creator>Mahmood, S.</creator><creator>Sadiq, Safeer</creator><creator>Haque, Q.</creator><creator>Ali, Munazza Z.</creator><general>American Institute of Physics</general><scope>AAYXX</scope><scope>CITATION</scope><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope><scope>OTOTI</scope><orcidid>https://orcid.org/0000-0002-1129-0387</orcidid></search><sort><creationdate>20160601</creationdate><title>Arbitrary amplitude electrostatic wave propagation in a magnetized dense plasma containing helium ions and degenerate electrons</title><author>Mahmood, S. ; Sadiq, Safeer ; Haque, Q. ; Ali, Munazza Z.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c355t-6e803f8c8550c3e8ed0e10b29b1bfce2fb37dd7583833abbb2268cd7c6b2d0a43</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2016</creationdate><topic>70 PLASMA PHYSICS AND FUSION TECHNOLOGY</topic><topic>AMPLITUDES</topic><topic>Dense plasmas</topic><topic>ELECTRONS</topic><topic>Electrostatic waves</topic><topic>HELIUM</topic><topic>HELIUM IONS</topic><topic>MACH NUMBER</topic><topic>MAGNETIC FIELDS</topic><topic>Nonlinear equations</topic><topic>NONLINEAR PROBLEMS</topic><topic>Obliqueness</topic><topic>Plasma</topic><topic>Plasma physics</topic><topic>PLASMA WAVES</topic><topic>Propagation</topic><topic>RELATIVISTIC RANGE</topic><topic>Solitary waves</topic><topic>SOLITONS</topic><topic>WAVE PROPAGATION</topic><topic>WHITE DWARF STARS</topic><topic>WIDTH</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Mahmood, S.</creatorcontrib><creatorcontrib>Sadiq, Safeer</creatorcontrib><creatorcontrib>Haque, Q.</creatorcontrib><creatorcontrib>Ali, Munazza Z.</creatorcontrib><collection>CrossRef</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>OSTI.GOV</collection><jtitle>Physics of plasmas</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Mahmood, S.</au><au>Sadiq, Safeer</au><au>Haque, Q.</au><au>Ali, Munazza Z.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Arbitrary amplitude electrostatic wave propagation in a magnetized dense plasma containing helium ions and degenerate electrons</atitle><jtitle>Physics of plasmas</jtitle><date>2016-06-01</date><risdate>2016</risdate><volume>23</volume><issue>6</issue><issn>1070-664X</issn><eissn>1089-7674</eissn><coden>PHPAEN</coden><abstract>The obliquely propagating arbitrary amplitude electrostatic wave is studied in a dense magnetized plasma having singly and doubly charged helium ions with nonrelativistic and ultrarelativistic degenerate electrons pressures. The Fermi temperature for ultrarelativistic degenerate electrons described by N. M. Vernet [(Cambridge University Press, Cambridge, 2007), p. 57] is used to define ion acoustic speed in ultra-dense plasmas. The pseudo-potential approach is used to solve the fully nonlinear set of dynamic equations for obliquely propagating electrostatic waves in a dense magnetized plasma containing helium ions. The upper and lower Mach number ranges for the existence of electrostatic solitons are found which depends on the obliqueness of the wave propagation with respect to applied magnetic field and charge number of the helium ions. It is found that only compressive (hump) soliton structures are formed in all the cases and only subsonic solitons are formed for a singly charged helium ions plasma case with nonrelativistic degenerate electrons. Both subsonic and supersonic soliton hump structures are formed for doubly charged helium ions with nonrelativistic degenerate electrons and ultrarelativistic degenerate electrons plasma case containing singly as well as doubly charged helium ions. The effect of propagation direction on the soliton amplitude and width of the electrostatic waves is also presented. The numerical plots are also shown for illustration using dense plasma parameters of a compact star (white dwarf) from literature.</abstract><cop>Melville</cop><pub>American Institute of Physics</pub><doi>10.1063/1.4953423</doi><tpages>9</tpages><orcidid>https://orcid.org/0000-0002-1129-0387</orcidid></addata></record> |
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subjects | 70 PLASMA PHYSICS AND FUSION TECHNOLOGY AMPLITUDES Dense plasmas ELECTRONS Electrostatic waves HELIUM HELIUM IONS MACH NUMBER MAGNETIC FIELDS Nonlinear equations NONLINEAR PROBLEMS Obliqueness Plasma Plasma physics PLASMA WAVES Propagation RELATIVISTIC RANGE Solitary waves SOLITONS WAVE PROPAGATION WHITE DWARF STARS WIDTH |
title | Arbitrary amplitude electrostatic wave propagation in a magnetized dense plasma containing helium ions and degenerate electrons |
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