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タイトル: Experimental and numerical exploration of intrinsic localized modes in an atomic lattice
著者: Sato, Masayuki link image link image
Sievers, A.J.
佐藤, 政行
発行日: 2009年 2月
出版社(者): Springer Science+Business Media, LLCs
雑誌名: Journal of Biological Physics
ISSN: 0092-0606
巻: 35
号: 1
開始ページ: 57
終了ページ: 72
キーワード: Discrete breathers
Intrinsic localized modes
Modulational instability
Nonlinear atomic lattices
Nonlinear mode locking
抄録: This review focuses attention on the experimental studies of intrinsic localized modes (ILMs) produced in driven atomic lattices. Production methods involve the application of modulational instability under carefully controlled conditions. One experimental approach is to drive the atomic lattice far from equilibrium to produce ILMs, the second is to apply a driver of only modest strength but nearby in frequency to a plane wave mode so that a slow transformation from large amplitude standing waves to ILMs takes place. Since, in either case, the number of ILMs produced is small, the experimental observation tool appropriate for this task is four-wave mixing. This nonlinear detection technique makes use of the nonlinearity associated with an ILM to enhance its signal over that produced by the more numerous, but linear, spin waves. The final topic deals with numerical simulations of a nonlinear nanoscale atomic lattice where the new feature is running ILMs. © 2009 Springer Science+Business Media B.V.
DOI: 10.1007/s10867-009-9135-2
URI: http://hdl.handle.net/2297/17051
関連URI: http://www.springerlink.com/content/71g70431401t835j/
資料種別: Journal Article
版表示: author
出現コレクション:1.査読済論文(理)

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