Related papers: Spin Transfer Torque in Domain Wall Structures by …

This paper is withdrawn by the author. See math.GT/9811093 for replacement.

This paper has been withdrawn by the authors, due a crucial error in Sec. 3.

This paper has been withdrawn by the authors as they feel it inappropriate to publish this paper for the time being.

We report quantum and semi-classical calculations of spin current and spin-transfer torque in a free-electron Stoner model for systems where the magnetization varies continuously in one dimension.Analytic results are obtained for an…

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This paper has been withdrawn by the author due to a critical error in the proof of Theorem 5.4 on which the proof of the main theorem on the non-simplenss was based.

This paper has been withdrawn by the author due to a mistake in one of the main lemmas.

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The derivation is studied in relation with the space of Schwartz of functions. This paper has been withdrawn by the author.

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This paper has been withdrawn by the authors due to new available results. A revised version, that incorporates the new results, will be submitted later.