Study of Nonlinear Behavior of Low-Frequency MHD Mode Caused by Transition of Radial Electric Field in LHD
The response of low-frequency magnetic fluctuations in a transition of radial electric field (Er) is investigated in the edge region of LHD plasmas. Consequently, the amplitude of a magnetic fluctuation with f ≅ 2 - 5 kHz is suddenly enhanced at the transition timing of Er, and then disappeared afte...
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| Veröffentlicht in: | Plasma and Fusion Research 2015/05/26, Vol.10, pp.3402053-3402053 |
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| container_end_page | 3402053 |
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| container_title | Plasma and Fusion Research |
| container_volume | 10 |
| creator | MOON, Chanho IDA, Katsumi TOKUZAWA, Tokihiko TANAKA, Kenji YOSHINUMA, Mikirou KOBAYASHI, Tatsuya INAGAKI, Shigeru ITOH, Kimitaka Group, LHD Experiment |
| description | The response of low-frequency magnetic fluctuations in a transition of radial electric field (Er) is investigated in the edge region of LHD plasmas. Consequently, the amplitude of a magnetic fluctuation with f ≅ 2 - 5 kHz is suddenly enhanced at the transition timing of Er, and then disappeared after the transition of Er. Furthermore, it is found that the amplitude of Hα signals is enhanced, corresponding to the abrupt diminishing of the magnetic fluctuation with f ≅ 2 - 5kHz. |
| doi_str_mv | 10.1585/pfr.10.3402053 |
| format | Article |
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Consequently, the amplitude of a magnetic fluctuation with f ≅ 2 - 5 kHz is suddenly enhanced at the transition timing of Er, and then disappeared after the transition of Er. Furthermore, it is found that the amplitude of Hα signals is enhanced, corresponding to the abrupt diminishing of the magnetic fluctuation with f ≅ 2 - 5kHz.</description><identifier>ISSN: 1880-6821</identifier><identifier>EISSN: 1880-6821</identifier><identifier>DOI: 10.1585/pfr.10.3402053</identifier><language>eng</language><publisher>Nagoya: The Japan Society of Plasma Science and Nuclear Fusion Research</publisher><subject>density fluctuation ; Electric fields ; LHD ; magnetic fluctuation ; Magnetic variations ; Magnetohydrodynamics ; MHD mode ; Plasmas ; radial electric field</subject><ispartof>Plasma and Fusion Research, 2015/05/26, Vol.10, pp.3402053-3402053</ispartof><rights>2015 by The Japan Society of Plasma Science and Nuclear Fusion Research</rights><rights>Copyright Japan Science and Technology Agency 2015</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c4913-64ae5b1aad807547ecdcb0f7a3decee78301e96f744232ff85da9cd560f83dfa3</citedby><cites>FETCH-LOGICAL-c4913-64ae5b1aad807547ecdcb0f7a3decee78301e96f744232ff85da9cd560f83dfa3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,1881,4021,27921,27922,27923</link.rule.ids></links><search><creatorcontrib>MOON, Chanho</creatorcontrib><creatorcontrib>IDA, Katsumi</creatorcontrib><creatorcontrib>TOKUZAWA, Tokihiko</creatorcontrib><creatorcontrib>TANAKA, Kenji</creatorcontrib><creatorcontrib>YOSHINUMA, Mikirou</creatorcontrib><creatorcontrib>KOBAYASHI, Tatsuya</creatorcontrib><creatorcontrib>INAGAKI, Shigeru</creatorcontrib><creatorcontrib>ITOH, Kimitaka</creatorcontrib><creatorcontrib>Group, LHD Experiment</creatorcontrib><creatorcontrib>LHD Experiment Group</creatorcontrib><title>Study of Nonlinear Behavior of Low-Frequency MHD Mode Caused by Transition of Radial Electric Field in LHD</title><title>Plasma and Fusion Research</title><addtitle>Plasma and Fusion Research</addtitle><description>The response of low-frequency magnetic fluctuations in a transition of radial electric field (Er) is investigated in the edge region of LHD plasmas. Consequently, the amplitude of a magnetic fluctuation with f ≅ 2 - 5 kHz is suddenly enhanced at the transition timing of Er, and then disappeared after the transition of Er. Furthermore, it is found that the amplitude of Hα signals is enhanced, corresponding to the abrupt diminishing of the magnetic fluctuation with f ≅ 2 - 5kHz.</description><subject>density fluctuation</subject><subject>Electric fields</subject><subject>LHD</subject><subject>magnetic fluctuation</subject><subject>Magnetic variations</subject><subject>Magnetohydrodynamics</subject><subject>MHD mode</subject><subject>Plasmas</subject><subject>radial electric field</subject><issn>1880-6821</issn><issn>1880-6821</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2015</creationdate><recordtype>article</recordtype><recordid>eNpNkM1PwzAMxSsEEmNw5RyJc0fSNG16HPtgSBtIMM6VlzgsU2lG0oH239NqA-3kJ_v3bOtF0S2jAyakuN8aP2g1T2lCBT-LekxKGmcyYecn-jK6CmFDaVYIlvWizVuz03viDHl2dWVrBE8ecA3f1vmuO3c_8dTj1w5rtSeL2ZgsnEYygl1ATVZ7svRQB9tYV3f4K2gLFZlUqBpvFZlarDSxNZnPxtfRhYEq4M2x9qP36WQ5msXzl8en0XAeq7RgPM5SQLFiAFrSXKQ5Kq1W1OTANSrEXHLKsMhMnqYJT4yRQkOhtMiokVwb4P3o7rB36137d2jKjdv5uj1ZJpQJmtJcZi01OFDKuxA8mnLr7Sf4fclo2eVZtnl2-phnaxgeDJvQwAf-4-Abqyr8w-mJ53-m1uBLrPkvA29_kA</recordid><startdate>2015</startdate><enddate>2015</enddate><creator>MOON, Chanho</creator><creator>IDA, Katsumi</creator><creator>TOKUZAWA, Tokihiko</creator><creator>TANAKA, Kenji</creator><creator>YOSHINUMA, Mikirou</creator><creator>KOBAYASHI, Tatsuya</creator><creator>INAGAKI, Shigeru</creator><creator>ITOH, Kimitaka</creator><creator>Group, LHD Experiment</creator><general>The Japan Society of Plasma Science and Nuclear Fusion Research</general><general>Japan Science and Technology Agency</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7TB</scope><scope>7U5</scope><scope>8FD</scope><scope>FR3</scope><scope>H8D</scope><scope>L7M</scope></search><sort><creationdate>2015</creationdate><title>Study of Nonlinear Behavior of Low-Frequency MHD Mode Caused by Transition of Radial Electric Field in LHD</title><author>MOON, Chanho ; IDA, Katsumi ; TOKUZAWA, Tokihiko ; TANAKA, Kenji ; YOSHINUMA, Mikirou ; KOBAYASHI, Tatsuya ; INAGAKI, Shigeru ; ITOH, Kimitaka ; Group, LHD Experiment</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c4913-64ae5b1aad807547ecdcb0f7a3decee78301e96f744232ff85da9cd560f83dfa3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2015</creationdate><topic>density fluctuation</topic><topic>Electric fields</topic><topic>LHD</topic><topic>magnetic fluctuation</topic><topic>Magnetic variations</topic><topic>Magnetohydrodynamics</topic><topic>MHD mode</topic><topic>Plasmas</topic><topic>radial electric field</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>MOON, Chanho</creatorcontrib><creatorcontrib>IDA, Katsumi</creatorcontrib><creatorcontrib>TOKUZAWA, Tokihiko</creatorcontrib><creatorcontrib>TANAKA, Kenji</creatorcontrib><creatorcontrib>YOSHINUMA, Mikirou</creatorcontrib><creatorcontrib>KOBAYASHI, Tatsuya</creatorcontrib><creatorcontrib>INAGAKI, Shigeru</creatorcontrib><creatorcontrib>ITOH, Kimitaka</creatorcontrib><creatorcontrib>Group, LHD Experiment</creatorcontrib><creatorcontrib>LHD Experiment Group</creatorcontrib><collection>CrossRef</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Plasma and Fusion Research</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>MOON, Chanho</au><au>IDA, Katsumi</au><au>TOKUZAWA, Tokihiko</au><au>TANAKA, Kenji</au><au>YOSHINUMA, Mikirou</au><au>KOBAYASHI, Tatsuya</au><au>INAGAKI, Shigeru</au><au>ITOH, Kimitaka</au><au>Group, LHD Experiment</au><aucorp>LHD Experiment Group</aucorp><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Study of Nonlinear Behavior of Low-Frequency MHD Mode Caused by Transition of Radial Electric Field in LHD</atitle><jtitle>Plasma and Fusion Research</jtitle><addtitle>Plasma and Fusion Research</addtitle><date>2015</date><risdate>2015</risdate><volume>10</volume><spage>3402053</spage><epage>3402053</epage><pages>3402053-3402053</pages><issn>1880-6821</issn><eissn>1880-6821</eissn><abstract>The response of low-frequency magnetic fluctuations in a transition of radial electric field (Er) is investigated in the edge region of LHD plasmas. Consequently, the amplitude of a magnetic fluctuation with f ≅ 2 - 5 kHz is suddenly enhanced at the transition timing of Er, and then disappeared after the transition of Er. Furthermore, it is found that the amplitude of Hα signals is enhanced, corresponding to the abrupt diminishing of the magnetic fluctuation with f ≅ 2 - 5kHz.</abstract><cop>Nagoya</cop><pub>The Japan Society of Plasma Science and Nuclear Fusion Research</pub><doi>10.1585/pfr.10.3402053</doi><tpages>1</tpages><oa>free_for_read</oa></addata></record> |
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| ispartof | Plasma and Fusion Research, 2015/05/26, Vol.10, pp.3402053-3402053 |
| issn | 1880-6821 1880-6821 |
| language | eng |
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| source | J-STAGE Free; EZB-FREE-00999 freely available EZB journals |
| subjects | density fluctuation Electric fields LHD magnetic fluctuation Magnetic variations Magnetohydrodynamics MHD mode Plasmas radial electric field |
| title | Study of Nonlinear Behavior of Low-Frequency MHD Mode Caused by Transition of Radial Electric Field in LHD |
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