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Article: Electric fields associated with dipolarization fronts

TitleElectric fields associated with dipolarization fronts
Authors
Sun, Wei JieFu, SuiyanParks, George K.Pu, ZuyinZong, Qiu GangLiu, JiangYao, ZhonghuaFu, HuishanShi, Quanqi
Keywordsdipolarization front
electric field
frozen-in condition
Hall electric field
Issue Date2014
Citation
Journal of Geophysical Research: Space Physics, 2014, v. 119, n. 7, p. 5272-5278 How to Cite?
DOI: http://dx.doi.org/10.1002/2014JA020045
AbstractElectric fields associated with dipolarization fronts (DFs) have been investigated in the magnetotail plasma sheet using Cluster observations. We have studied each term in the generalized Ohm's law using data obtained from the multispacecraft Cluster. Our results show that in the plasma flow frame, electric fields are directed normal to the DF in the magnetic dip region ahead of the DF as well as in the DF layer but in opposite directions. Case and statistical studies show that the Hall electric field is important while the electron pressure gradient term is much smaller. The ions decouple from the magnetic field in the DF layer and dip region (E + Vi×B ≠ 0), whereas electrons remain frozen-in (E + Ve×B=∇p e/nee). ©2014. American Geophysical Union. All Rights Reserved.
Persistent Identifierhttp://hdl.handle.net/10722/334367
ISI Accession Number ID
WOS:000340549000012

 

DC FieldValueLanguage
dc.contributor.authorSun, Wei Jie-
dc.contributor.authorFu, Suiyan-
dc.contributor.authorParks, George K.-
dc.contributor.authorPu, Zuyin-
dc.contributor.authorZong, Qiu Gang-
dc.contributor.authorLiu, Jiang-
dc.contributor.authorYao, Zhonghua-
dc.contributor.authorFu, Huishan-
dc.contributor.authorShi, Quanqi-
dc.date.accessioned2023-10-20T06:47:38Z-
dc.date.available2023-10-20T06:47:38Z-
dc.date.issued2014-
dc.identifier.citationJournal of Geophysical Research: Space Physics, 2014, v. 119, n. 7, p. 5272-5278-
dc.identifier.urihttp://hdl.handle.net/10722/334367-
dc.description.abstractElectric fields associated with dipolarization fronts (DFs) have been investigated in the magnetotail plasma sheet using Cluster observations. We have studied each term in the generalized Ohm's law using data obtained from the multispacecraft Cluster. Our results show that in the plasma flow frame, electric fields are directed normal to the DF in the magnetic dip region ahead of the DF as well as in the DF layer but in opposite directions. Case and statistical studies show that the Hall electric field is important while the electron pressure gradient term is much smaller. The ions decouple from the magnetic field in the DF layer and dip region (E + Vi×B ≠ 0), whereas electrons remain frozen-in (E + Ve×B=∇p e/nee). ©2014. American Geophysical Union. All Rights Reserved.-
dc.languageeng-
dc.relation.ispartofJournal of Geophysical Research: Space Physics-
dc.subjectdipolarization front-
dc.subjectelectric field-
dc.subjectfrozen-in condition-
dc.subjectHall electric field-
dc.titleElectric fields associated with dipolarization fronts-
dc.typeArticle-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1002/2014JA020045-
dc.identifier.scopuseid_2-s2.0-84906248512-
dc.identifier.volume119-
dc.identifier.issue7-
dc.identifier.spage5272-
dc.identifier.epage5278-
dc.identifier.eissn2169-9402-
dc.identifier.isiWOS:000340549000012-

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