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The time evolution of the free energy has been calculated in this study with the Vertical-current Approximation (Version 4) Non-linear Force-free Field code, which incorporates automatically detected coronal loops in the solution and bypasses the non-force-freeness of the photospheric boundary condition, in contrast to traditional NLFFF codes.", "digital" : null, "printed" : null, "sourceYear" : 2020, "foreignEdition" : true, "foreignLanguage" : true, "fullPublication" : true, "conferencePublication" : false, "nationalOrigin" : null, "missingAuthor" : false, "oaType" : "NONE", "oaCheckDate" : "2023-06-16", "oaFree" : false, "citationCount" : 0, "citationCountUnpublished" : 0, "citationCountWoOther" : 0, "independentCitCountWoOther" : 0, "doiCitationCount" : 0, "wosCitationCount" : 0, "scopusCitationCount" : 0, "independentCitationCount" : 0, "unhandledCitationCount" : 0, "citingPubCount" : 0, "independentCitingPubCount" : 0, "unhandledCitingPubCount" : 0, "citedPubCount" : 5, "citedCount" : 5, "ratings" : [ { "otype" : "SjrRating", "mtid" : 10748788, "link" : "/api/sjrrating/10748788", "label" : "sjr:Q1 (2020) Scopus - Astronomy and Astrophysics ASTROPHYSICAL JOURNAL 0004-637X 1538-4357", "listPos" : 10, "rankValue" : 0.24, "type" : "journal", "ratingType" : { "otype" : "RatingType", "mtid" : 10002, "link" : "/api/ratingtype/10002", "label" : "sjr", "code" : "sjr", "published" : true, "snippet" : true }, "subject" : { "otype" : "ClassificationExternal", "mtid" : 3103, "link" : "/api/classificationexternal/3103", "label" : "Scopus - Astronomy and Astrophysics", "published" : true, "oldId" : 3103, "snippet" : true }, "ranking" : "Q1", "calculation" : "DIRECT", "published" : true, "snippet" : true } ], "ratingsForSort" : "Q1", "hasCitationDuplums" : false, "userChangeableUntil" : "2020-07-07T09:17:20.708+0000", "directInstitutesForSort" : "", "ownerAuthorCount" : 3, "ownerInstituteCount" : 18, "directInstituteCount" : 0, "authorCount" : 2, "contributorCount" : 0, "hasQualityFactor" : true, "link" : "/api/publication/31274736", "label" : "Aschwanden Markus J. et al. 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