{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2023,7,24]],"date-time":"2023-07-24T09:53:33Z","timestamp":1690192413033},"reference-count":67,"publisher":"Cambridge University Press (CUP)","issue":"5","license":[{"start":{"date-parts":[[2009,10,1]],"date-time":"2009-10-01T00:00:00Z","timestamp":1254355200000},"content-version":"unspecified","delay-in-days":0,"URL":"https:\/\/www.cambridge.org\/core\/terms"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["J. Plasma Phys."],"published-print":{"date-parts":[[2009,10]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>We present an investigation of the amplitude modulation of an external magnetic field-aligned right-hand circularly polarized electromagnetic electron-cyclotron (EMEC) wave in a strongly magnetized electron-positron plasma. It is shown that the dynamics of the modulated EMEC wave packet is governed by a cubic nonlinear Schr\u00f6dinger equation. The latter reveals that a modulated wave packet can propagate in the form of either a dark or a grey envelope soliton. This result could have relevance to the transport of electromagnetic wave energy over long distances via envelope solitons in the magnetospheres of pulsars and magnetars.<\/jats:p>","DOI":"10.1017\/s0022377809990092","type":"journal-article","created":{"date-parts":[[2009,6,16]],"date-time":"2009-06-16T09:32:37Z","timestamp":1245144757000},"page":"575-580","source":"Crossref","is-referenced-by-count":4,"title":["Dark and grey electromagnetic electron-cyclotron envelope solitons in an electron-positron magnetoplasma"],"prefix":"10.1017","volume":"75","author":[{"given":"P. K.","family":"SHUKLA","sequence":"first","affiliation":[]},{"given":"R.","family":"BINGHAM","sequence":"additional","affiliation":[]},{"given":"A. D. 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