کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
5774150 1413546 2017 26 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Travelling waves for a Frenkel-Kontorova chain
کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه ریاضیات آنالیز ریاضی
پیش نمایش صفحه اول مقاله
Travelling waves for a Frenkel-Kontorova chain
چکیده انگلیسی
In this article, the Frenkel-Kontorova model for dislocation dynamics is considered, where the on-site potential consists of quadratic wells joined by small arcs, which can be spinodal (concave) as commonly assumed in physics. The existence of heteroclinic waves-making a transition from one well of the on-site potential to another-is proved by means of a Schauder fixed point argument. The setting developed here is general enough to treat such a Frenkel-Kontorova chain with smooth (C2) on-site potential. It is shown that the method can also establish the existence of two-transition waves for a piecewise quadratic on-site potential.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Differential Equations - Volume 263, Issue 4, 15 August 2017, Pages 2317-2342
نویسندگان
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