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Current closure in the pulsar magnetosphere

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dc.contributor.authorContopoulos, I.
dc.date.accessioned2024-11-19T11:58:20Z
dc.date.available2024-11-19T11:58:20Z
dc.date.issued2019
dc.description.abstract© 2018 The Author(s). Current closure in the pulsar magnetosphere holds the key to its structure.We must determine not only the global electric circuit, but also the source of its electric charge carriers.We address this issue with the minimum number of assumptions: (1) The magnetosphere is everywhere ideal and force free, except above the polar cap and in some finite part of the current sheet; and (2) pairs are produced above the polar cap with multiplicity κ.We show that a thin region of width δ ≈ rpc/2κ ≪ rpc along the rim of the polar cap provides all the charges that are needed in the equatorial and separatrix electric current sheet. These charges are transferred to the current sheet in a narrow dissipation zone just outside the magnetospheric Y-point. The maximum accelerating potential in this region is equal to the potential drop in the thin polar cap rim, which is approximately equal to 1/κ times the potential drop from the centre to the edge of the polar cap. The dissipated electromagnetic energy is approximately equal to 1.5/κ times the total pulsar spin-down energy loss. Our framework allows to calculate the high-energy emission in terms of the pair multiplicity.
dc.format.extentС. L50-L54
dc.identifier.citationContopoulos, I. Current closure in the pulsar magnetosphere / Contopoulos, I. // Monthly Notices of the Royal Astronomical Society: Letters. - 2019. - 482. - № 1. - P. L50-L54. - 10.1093/mnrasl/sly183
dc.identifier.doi10.1093/mnrasl/sly183
dc.identifier.urihttps://www.doi.org/10.1093/mnrasl/sly183
dc.identifier.urihttps://www.scopus.com/record/display.uri?eid=2-s2.0-85057208166&origin=resultslist
dc.identifier.urihttp://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=Alerting&SrcApp=Alerting&DestApp=WOS_CPL&DestLinkType=FullRecord&UT=WOS:000482176700011
dc.identifier.urihttps://openrepository.mephi.ru/handle/123456789/16383
dc.relation.ispartofMonthly Notices of the Royal Astronomical Society: Letters
dc.titleCurrent closure in the pulsar magnetosphere
dc.typeArticle
dspace.entity.typePublication
oaire.citation.issue1
oaire.citation.volume482
relation.isOrgUnitOfPublication06e1796d-4f55-4057-8d7e-bb2f3b5676f5
relation.isOrgUnitOfPublication.latestForDiscovery06e1796d-4f55-4057-8d7e-bb2f3b5676f5
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