{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,27]],"date-time":"2026-01-27T11:27:04Z","timestamp":1769513224357,"version":"3.49.0"},"reference-count":22,"publisher":"AIP Publishing","issue":"1","content-domain":{"domain":["pubs.aip.org"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[2010,1,4]]},"abstract":"<jats:p>We report on detailed broadband ferromagnetic resonance measurements of azimuthal and radial spin wave excitations in circular Permalloy dots in the vortex ground state. Dots with aspect ratio (\u03b2=height over radius) varied from 0.03 to 0.1 were explored. The frequency splitting of two lowest azimuthal modes was observed. The experimentally observed dependence of the frequency splitting on \u03b2 was reasonably well described by dynamic splitting model accounting the spin waves and vortex gyrotropic mode interaction.<\/jats:p>","DOI":"10.1063\/1.3268453","type":"journal-article","created":{"date-parts":[[2010,1,6]],"date-time":"2010-01-06T15:36:37Z","timestamp":1262792197000},"update-policy":"https:\/\/doi.org\/10.1063\/aip-crossmark-policy-page","source":"Crossref","is-referenced-by-count":33,"title":["Precise probing spin wave mode frequencies in the vortex state of circular magnetic dots"],"prefix":"10.1063","volume":"96","author":[{"given":"A. A.","family":"Awad","sequence":"first","affiliation":[{"name":"Universidad Aut\u00f3noma de Madrid 1 Dpto. F\u00edsica de la Materia Condensada, CIII, , 28049 Madrid, Spain"}]},{"given":"K. Y.","family":"Guslienko","sequence":"additional","affiliation":[{"name":"Universidad del Pais Vasco 2 Dpto. Fisica de Materiales, , 20018 Donostia-San Sebastian, Spain"},{"name":"The Basque Foundation for Science 3 IKERBASQUE, , 48011 Bilbao, Spain"}]},{"given":"J. F.","family":"Sierra","sequence":"additional","affiliation":[{"name":"Universidad Aut\u00f3noma de Madrid 1 Dpto. F\u00edsica de la Materia Condensada, CIII, , 28049 Madrid, Spain"}]},{"given":"G. N.","family":"Kakazei","sequence":"additional","affiliation":[{"name":"Universidade do Porto 4 Departamento de Fisica da Faculdade de Ciencias, IFIMUP and IN\u2013Institute of Nanoscience and Nanoterchnology, , 4169-007 Porto, Portugal"}]},{"given":"V.","family":"Metlushko","sequence":"additional","affiliation":[{"name":"University of Illinois at Chicago 5 Departament of Electrical and Computer Engineering, , Chicago, Illinois 60607, USA"}]},{"given":"F. G.","family":"Aliev","sequence":"additional","affiliation":[{"name":"Universidad Aut\u00f3noma de Madrid 1 Dpto. 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