Large-amplitude electrostatic waves observed at a supercritical interplanetary shock
We present the first observations at an interplanetary shock of large-amplitude (> 100 mV/m pk-pk) solitary waves and large-amplitude (approx.30 mV/m pk-pk) waves exhibiting characteristics consistent with electron Bernstein waves. The Bernstein-like waves show enhanced power at integer and half-...
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| Veröffentlicht in: | Journal of Geophysical Research 2010-12, Vol.115 (A12), p.n/a |
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| container_title | Journal of Geophysical Research |
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| creator | Wilson III, L. B. Cattell, C. A. Kellogg, P. J. Goetz, K. Kersten, K. Kasper, J. C. Szabo, A. Wilber, M. |
| description | We present the first observations at an interplanetary shock of large-amplitude (> 100 mV/m pk-pk) solitary waves and large-amplitude (approx.30 mV/m pk-pk) waves exhibiting characteristics consistent with electron Bernstein waves. The Bernstein-like waves show enhanced power at integer and half-integer harmonics of the cyclotron frequency with a broadened power spectrum at higher frequencies, consistent with the electron cyclotron drift instability. The Bernstein-like waves are obliquely polarized with respect to the magnetic field but parallel to the shock normal direction. Strong particle heating is observed in both the electrons and ions. The observed heating and waveforms are likely due to instabilities driven by the free energy provided by reflected ions at this supercritical interplanetary shock. These results offer new insights into collisionless shock dissipation and wave-particle interactions in the solar wind. |
| doi_str_mv | 10.1029/2010JA015332 |
| format | Article |
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B. ; Cattell, C. A. ; Kellogg, P. J. ; Goetz, K. ; Kersten, K. ; Kasper, J. C. ; Szabo, A. ; Wilber, M.</creator><creatorcontrib>Wilson III, L. B. ; Cattell, C. A. ; Kellogg, P. J. ; Goetz, K. ; Kersten, K. ; Kasper, J. C. ; Szabo, A. ; Wilber, M.</creatorcontrib><description>We present the first observations at an interplanetary shock of large-amplitude (> 100 mV/m pk-pk) solitary waves and large-amplitude (approx.30 mV/m pk-pk) waves exhibiting characteristics consistent with electron Bernstein waves. The Bernstein-like waves show enhanced power at integer and half-integer harmonics of the cyclotron frequency with a broadened power spectrum at higher frequencies, consistent with the electron cyclotron drift instability. The Bernstein-like waves are obliquely polarized with respect to the magnetic field but parallel to the shock normal direction. Strong particle heating is observed in both the electrons and ions. The observed heating and waveforms are likely due to instabilities driven by the free energy provided by reflected ions at this supercritical interplanetary shock. These results offer new insights into collisionless shock dissipation and wave-particle interactions in the solar wind.</description><identifier>ISSN: 0148-0227</identifier><identifier>ISSN: 2169-9380</identifier><identifier>EISSN: 2156-2202</identifier><identifier>EISSN: 2169-9402</identifier><identifier>DOI: 10.1029/2010JA015332</identifier><language>eng</language><publisher>Goddard Space Flight Center: Blackwell Publishing Ltd</publisher><subject>Astrophysics ; Atmospheric sciences ; Bernstein waves ; Earth sciences ; Earth, ocean, space ; Exact sciences and technology ; Geophysics ; interplanetary shocks ; Ions ; Magnetic fields ; Magnetism ; Planetology ; Plasma physics ; Solitary waves ; Space</subject><ispartof>Journal of Geophysical Research, 2010-12, Vol.115 (A12), p.n/a</ispartof><rights>Copyright 2010 by the American Geophysical Union.</rights><rights>2015 INIST-CNRS</rights><rights>Copyright 2010 by American Geophysical Union</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c4996-97b3334128602f4ef109748bea28363bfe1a966dd15b8d86f599ef11f29b24d13</citedby><cites>FETCH-LOGICAL-c4996-97b3334128602f4ef109748bea28363bfe1a966dd15b8d86f599ef11f29b24d13</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,1417,1433,11514,27924,27925</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=23823769$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Wilson III, L. B.</creatorcontrib><creatorcontrib>Cattell, C. A.</creatorcontrib><creatorcontrib>Kellogg, P. J.</creatorcontrib><creatorcontrib>Goetz, K.</creatorcontrib><creatorcontrib>Kersten, K.</creatorcontrib><creatorcontrib>Kasper, J. C.</creatorcontrib><creatorcontrib>Szabo, A.</creatorcontrib><creatorcontrib>Wilber, M.</creatorcontrib><title>Large-amplitude electrostatic waves observed at a supercritical interplanetary shock</title><title>Journal of Geophysical Research</title><addtitle>J. Geophys. Res</addtitle><description>We present the first observations at an interplanetary shock of large-amplitude (> 100 mV/m pk-pk) solitary waves and large-amplitude (approx.30 mV/m pk-pk) waves exhibiting characteristics consistent with electron Bernstein waves. The Bernstein-like waves show enhanced power at integer and half-integer harmonics of the cyclotron frequency with a broadened power spectrum at higher frequencies, consistent with the electron cyclotron drift instability. The Bernstein-like waves are obliquely polarized with respect to the magnetic field but parallel to the shock normal direction. Strong particle heating is observed in both the electrons and ions. The observed heating and waveforms are likely due to instabilities driven by the free energy provided by reflected ions at this supercritical interplanetary shock. These results offer new insights into collisionless shock dissipation and wave-particle interactions in the solar wind.</description><subject>Astrophysics</subject><subject>Atmospheric sciences</subject><subject>Bernstein waves</subject><subject>Earth sciences</subject><subject>Earth, ocean, space</subject><subject>Exact sciences and technology</subject><subject>Geophysics</subject><subject>interplanetary shocks</subject><subject>Ions</subject><subject>Magnetic fields</subject><subject>Magnetism</subject><subject>Planetology</subject><subject>Plasma physics</subject><subject>Solitary waves</subject><subject>Space</subject><issn>0148-0227</issn><issn>2169-9380</issn><issn>2156-2202</issn><issn>2169-9402</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2010</creationdate><recordtype>article</recordtype><sourceid>CYI</sourceid><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><recordid>eNp9kc1P3DAQxa2qlbqi3Dj2ECFxa1rPOHbs47Jql65WVEKLerScZAKBkATby8d_j1EQ6qlz8eH93psPM3YE_DtwND-QA98sOUgh8ANbIEiVI3L8yBYcCp1zxPIzOwzhhqcqpCo4LNhu6_wV5e5u6ru4byijnuroxxBd7Ors0T1QyMYqkH-gJnMxc1nYT-Rr3yXd9Vk3RPJT7waKzj9n4Xqsb7-wT63rAx2-vQfs8tfP3eos3_5Z_14tt3ldGKNyU1ZCiAJQK45tQS1wUxa6IodaKFG1BM4o1TQgK91o1UpjEgQtmgqLBsQBO55zJz_e7ylEezPu_ZBaWgNKGq0kT9C3GarTVsFTayff3aVZLXD7ejn77-USfvKW6ULar_VuqLvw7kGhUZTKJE7M3GPX0_N_M-1mfbFELpVKrq-za3DB2SH68EpC-pBSg0hyPstdiPT0Hur8rVWlKKX9e762K5Tb3fnm1IJ4Acrdkuo</recordid><startdate>201012</startdate><enddate>201012</enddate><creator>Wilson III, L. 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B. ; Cattell, C. A. ; Kellogg, P. J. ; Goetz, K. ; Kersten, K. ; Kasper, J. C. ; Szabo, A. ; Wilber, M.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c4996-97b3334128602f4ef109748bea28363bfe1a966dd15b8d86f599ef11f29b24d13</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2010</creationdate><topic>Astrophysics</topic><topic>Atmospheric sciences</topic><topic>Bernstein waves</topic><topic>Earth sciences</topic><topic>Earth, ocean, space</topic><topic>Exact sciences and technology</topic><topic>Geophysics</topic><topic>interplanetary shocks</topic><topic>Ions</topic><topic>Magnetic fields</topic><topic>Magnetism</topic><topic>Planetology</topic><topic>Plasma physics</topic><topic>Solitary waves</topic><topic>Space</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Wilson III, L. B.</creatorcontrib><creatorcontrib>Cattell, C. 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B.</au><au>Cattell, C. A.</au><au>Kellogg, P. J.</au><au>Goetz, K.</au><au>Kersten, K.</au><au>Kasper, J. C.</au><au>Szabo, A.</au><au>Wilber, M.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Large-amplitude electrostatic waves observed at a supercritical interplanetary shock</atitle><jtitle>Journal of Geophysical Research</jtitle><addtitle>J. Geophys. Res</addtitle><date>2010-12</date><risdate>2010</risdate><volume>115</volume><issue>A12</issue><epage>n/a</epage><issn>0148-0227</issn><issn>2169-9380</issn><eissn>2156-2202</eissn><eissn>2169-9402</eissn><abstract>We present the first observations at an interplanetary shock of large-amplitude (> 100 mV/m pk-pk) solitary waves and large-amplitude (approx.30 mV/m pk-pk) waves exhibiting characteristics consistent with electron Bernstein waves. The Bernstein-like waves show enhanced power at integer and half-integer harmonics of the cyclotron frequency with a broadened power spectrum at higher frequencies, consistent with the electron cyclotron drift instability. The Bernstein-like waves are obliquely polarized with respect to the magnetic field but parallel to the shock normal direction. Strong particle heating is observed in both the electrons and ions. The observed heating and waveforms are likely due to instabilities driven by the free energy provided by reflected ions at this supercritical interplanetary shock. These results offer new insights into collisionless shock dissipation and wave-particle interactions in the solar wind.</abstract><cop>Goddard Space Flight Center</cop><pub>Blackwell Publishing Ltd</pub><doi>10.1029/2010JA015332</doi><tpages>14</tpages><oa>free_for_read</oa></addata></record> |
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| subjects | Astrophysics Atmospheric sciences Bernstein waves Earth sciences Earth, ocean, space Exact sciences and technology Geophysics interplanetary shocks Ions Magnetic fields Magnetism Planetology Plasma physics Solitary waves Space |
| title | Large-amplitude electrostatic waves observed at a supercritical interplanetary shock |
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