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A ring of fire in the pulsar magnetosphere

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dc.contributor.authorStefanou, P.
dc.contributor.authorContopoulos, I.
dc.date.accessioned2024-11-21T10:11:29Z
dc.date.available2024-11-21T10:11:29Z
dc.date.issued2019
dc.description.abstractWe have recently proposed that a dissipation zone develops in the magnetosphere of young pulsars at the edge of the closed-line region beyond the light cylinder. This is necessary in order to supply the charge carriers that will establish current closure through the equatorial and separatrix current sheets. In this work, we propose to investigate in greater detail this region with a simplified model that we would like to call the ring of fire. According to this simple model, the dissipation zone is a narrow reconnection layer where electrons and positrons are accelerated inwards and outwards respectively along Speiser orbits that are deflected in the azimuthal direction by the pulsar rotation. After they exit the reconnection layer, the accelerated positrons form the positively charged equatorial current sheet and the accelerated electrons form the negatively charged separatrix current sheet along the boundary of the closed-line region. During their acceleration, particles lose only a small part of their energy to radiation. Most of their energy is lost outside the dissipation region, in the equatorial and separatrix current sheets. Our simple model allows us to obtain high-energy spectra and efficiencies. The radiation emitted by the positrons in the equatorial current sheet forms a very high energy tail that extends up to the TeV range.
dc.format.extentС. 952-960;
dc.identifier.citationStefanou, P. A ring of fire in the pulsar magnetosphere / Stefanou, P, Contopoulos, I // Monthly Notices of the Royal Astronomical Society. - 2019. - 487. - № 1. - P. 952-960;. - 10.1093/mnras/stz1346
dc.identifier.doi10.1093/mnras/stz1346
dc.identifier.urihttps://www.doi.org/10.1093/mnras/stz1346
dc.identifier.urihttps://www.scopus.com/record/display.uri?eid=2-s2.0-85071146626&origin=resultslist
dc.identifier.urihttp://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=Alerting&SrcApp=Alerting&DestApp=WOS_CPL&DestLinkType=FullRecord&UT=WOS:000474907100073
dc.identifier.urihttps://openrepository.mephi.ru/handle/123456789/18380
dc.relation.ispartofMonthly Notices of the Royal Astronomical Society
dc.titleA ring of fire in the pulsar magnetosphere
dc.typeArticle
dspace.entity.typePublication
oaire.citation.issue1
oaire.citation.volume487
relation.isOrgUnitOfPublication06e1796d-4f55-4057-8d7e-bb2f3b5676f5
relation.isOrgUnitOfPublication.latestForDiscovery06e1796d-4f55-4057-8d7e-bb2f3b5676f5
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