Linear Response of One Dimensional Nonlinear System. II
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概要
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The linear response theory of the one dimensional nonlinear systevtv, developedin I, is generalized to apply to a system with an clrbitrclry dclmpiztg' strengtlt. Instead of the Snaoluchowsky equation, the Fokker Planck equation is investigated.The transfer integral ntethod is again applicable with a simple decouj>Iing approx-imation. The dvnanaical structure factor for the cfi' chain is found t?c be the SUITIof plzono'n peaks and a sharp central peak. As the damping strength reduces, tlzephonon peak becotnes uttderdaznpted, while the structure of the cetatral peak isessentially the sante as the strong damping case. The origin of the central peakis due to the response of the domain wall.
- 社団法人日本物理学会の論文
- 1980-10-15
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