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An envelope equation for the magnetization switching is derived. The switching time \u0394\u03c4 between different states is found to be comparable to the half-width of the time derivative of the system energy, which allows the energy flow due to spin current and the magnetization switching velocity to be related. Dynamics of the phase states in external magnetic field and in the presence of spin current is analyzed using different methods of numerical analysis.<\/jats:p>","DOI":"10.1063\/1.2433993","type":"journal-article","created":{"date-parts":[[2007,2,7]],"date-time":"2007-02-07T23:35:08Z","timestamp":1170891308000},"update-policy":"https:\/\/doi.org\/10.1063\/aip-crossmark-policy-page","source":"Crossref","is-referenced-by-count":5,"title":["Application of self-organization methods to current-induced magnetization dynamics of a single-domain ferromagnet"],"prefix":"10.1063","volume":"101","author":[{"given":"P. M.","family":"Gorley","sequence":"first","affiliation":[{"name":"Chernivtsi National University Department of Electronics and Energy Engineering, , Kotsyubynsky 2, 58012 Chernivtsi, Ukraine"}]},{"given":"P. P.","family":"Horley","sequence":"additional","affiliation":[{"name":"Chernivtsi National University Department of Electronics and Energy Engineering, , Kotsyubynsky 2, 58012 Chernivtsi, Ukraine"}]},{"given":"V. K.","family":"Dugaev","sequence":"additional","affiliation":[{"name":"Rzesz\u00f3w University of Technology Department of Mathematics and Applied Physics, , Al. Powsta\u0144c\u00f3w Warszawy 6, 35-959 Rzesz\u00f3w, Poland"}]},{"given":"J.","family":"Barna\u015b","sequence":"additional","affiliation":[{"name":"Adam Mickiewicz University Department of Physics, , Umultowska 85, 61-614 Pozna\u0144, Poland"}]},{"given":"W.","family":"Dobrowolski","sequence":"additional","affiliation":[{"name":"Polish Academy of Sciences Institute of Physics, , Al. 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