Quantum Solitary Wave Solutions in a Ferromagnetic Chain with Nearest- and Next-Nearest-Neighbor Interaction

(整期优先)网络出版时间:2008-11-21
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Thequantumsolitarywavesolutionsinaone-dimensionalferromagneticchainisinvestigatedbyusingtheHartree-Fockapproachandthemultiple-scalemethod.Itisshownthatquantumsolitarywavesolutionscanexistinaferromagneticsystemwithnearest-andnext-nearest-neighborexchangeinteraction,andatthecertainvalueofthefirstBrillouinzone,thesolitarywavesolutionoftheHartreewavefunctionbecomestheintrinsiclocalizedmode.