A laboratory plasma experiment for studying magnetic dynamics of accretion discs and jets
Abstract This work describes a laboratory plasma experiment and initial results which should give insight into the magnetic dynamics of accretion discs and jets. A high-speed multiple-frame CCD camera reveals images of the formation and helical instability of a collimated plasma, similar to MHD mode...
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| Veröffentlicht in: | Monthly notices of the Royal Astronomical Society 2002-08, Vol.334 (2), p.257-261 |
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| container_title | Monthly notices of the Royal Astronomical Society |
| container_volume | 334 |
| creator | Hsu, S. C. Bellan, P. M. |
| description | Abstract
This work describes a laboratory plasma experiment and initial results which should give insight into the magnetic dynamics of accretion discs and jets. A high-speed multiple-frame CCD camera reveals images of the formation and helical instability of a collimated plasma, similar to MHD models of disc jets, and also plasma detachment associated with spheromak formation, which may have relevance to disc winds and flares. The plasmas are produced by a planar magnetized coaxial gun. The resulting magnetic topology is dependent on the details of magnetic helicity injection, namely the force-free state eigenvalue α
gun imposed by the coaxial gun. |
| doi_str_mv | 10.1046/j.1365-8711.2002.05422.x |
| format | Article |
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This work describes a laboratory plasma experiment and initial results which should give insight into the magnetic dynamics of accretion discs and jets. A high-speed multiple-frame CCD camera reveals images of the formation and helical instability of a collimated plasma, similar to MHD models of disc jets, and also plasma detachment associated with spheromak formation, which may have relevance to disc winds and flares. The plasmas are produced by a planar magnetized coaxial gun. The resulting magnetic topology is dependent on the details of magnetic helicity injection, namely the force-free state eigenvalue α
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This work describes a laboratory plasma experiment and initial results which should give insight into the magnetic dynamics of accretion discs and jets. A high-speed multiple-frame CCD camera reveals images of the formation and helical instability of a collimated plasma, similar to MHD models of disc jets, and also plasma detachment associated with spheromak formation, which may have relevance to disc winds and flares. The plasmas are produced by a planar magnetized coaxial gun. The resulting magnetic topology is dependent on the details of magnetic helicity injection, namely the force-free state eigenvalue α
gun imposed by the coaxial gun.</description><subject>accretion</subject><subject>accretion discs</subject><subject>accretion, accretion discs</subject><subject>methods: laboratory</subject><subject>MHD</subject><subject>plasmas</subject><issn>0035-8711</issn><issn>1365-2966</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2002</creationdate><recordtype>article</recordtype><recordid>eNqNkMtKxDAUhoMoOF7eISt3rbk1aRYuZHBGYRxBBsRVyKSpdGybmnSwfXvbqbhScJXDyf_l5HwAQIxijBi_3sWY8iRKBcYxQYjEKGGExN0RmB0uiOT8GMwQolPoFJyFsEMIMUr4DLzewlJvndet8z1sSh0qDW3XWF9Utm5h7jwM7T7ri_oNVvqttm1hYNbXuipMgC6H2hg_NF0NsyIMLV1ncGfbcAFOcl0Ge_l9noPN4m4zv49WT8uH-e0qMkwwEhmemzxhUkqSYpGllFFJaJKkkhvBrZQi3yJCc44EQ1u5zaRODE6tSbkYCHoOrqZnG-8-9ja0qhq-YctS19btgyICp0zIMZhOQeNdCN7mqhl21L5XGKlRpdqp0ZgaLalRpTqoVN2A3kzoZ1Ha_t-celw_j9XA04l3--YPOvptajRRRWht98Np_664oCJRL-ulmieb58UKYbWgX_k1mBU</recordid><startdate>200208</startdate><enddate>200208</enddate><creator>Hsu, S. C.</creator><creator>Bellan, P. M.</creator><general>Blackwell Science Ltd</general><scope>BSCLL</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope></search><sort><creationdate>200208</creationdate><title>A laboratory plasma experiment for studying magnetic dynamics of accretion discs and jets</title><author>Hsu, S. C. ; Bellan, P. M.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c4742-c6fcf549992817d834392355896c76e997fb023f60740b9bd9a5c18ec8672813</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2002</creationdate><topic>accretion</topic><topic>accretion discs</topic><topic>accretion, accretion discs</topic><topic>methods: laboratory</topic><topic>MHD</topic><topic>plasmas</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Hsu, S. C.</creatorcontrib><creatorcontrib>Bellan, P. M.</creatorcontrib><collection>Istex</collection><collection>CrossRef</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Monthly notices of the Royal Astronomical Society</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Hsu, S. C.</au><au>Bellan, P. M.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>A laboratory plasma experiment for studying magnetic dynamics of accretion discs and jets</atitle><jtitle>Monthly notices of the Royal Astronomical Society</jtitle><stitle>Mon. Not. R. Astron. Soc</stitle><date>2002-08</date><risdate>2002</risdate><volume>334</volume><issue>2</issue><spage>257</spage><epage>261</epage><pages>257-261</pages><issn>0035-8711</issn><eissn>1365-2966</eissn><abstract>Abstract
This work describes a laboratory plasma experiment and initial results which should give insight into the magnetic dynamics of accretion discs and jets. A high-speed multiple-frame CCD camera reveals images of the formation and helical instability of a collimated plasma, similar to MHD models of disc jets, and also plasma detachment associated with spheromak formation, which may have relevance to disc winds and flares. The plasmas are produced by a planar magnetized coaxial gun. The resulting magnetic topology is dependent on the details of magnetic helicity injection, namely the force-free state eigenvalue α
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| ispartof | Monthly notices of the Royal Astronomical Society, 2002-08, Vol.334 (2), p.257-261 |
| issn | 0035-8711 1365-2966 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_27184791 |
| source | Oxford Journals Open Access Collection; Wiley Online Library All Journals |
| subjects | accretion accretion discs accretion, accretion discs methods: laboratory MHD plasmas |
| title | A laboratory plasma experiment for studying magnetic dynamics of accretion discs and jets |
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