Multiscale-bump standing waves with a critical frequency for nonlinear Schrödinger equations |
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Authors: | Daomin Cao Ezzat S Noussair Shusen Yan |
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Institution: | Institute of Applied Mathematics, AMSS, Chinese Academy of Sciences, Beijing 100080, People's Republic of China ; School of Mathematics, The University of New South Wales, Sydney 2052, Australia ; School of Mathematics, Statistics and Computer Science, The University of New England, Armidale NSW 2351, Australia |
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Abstract: | In this paper we study the existence and qualitative property of standing wave solutions for the nonlinear Schrödinger equation with being a critical frequency in the sense that We show that if the zero set of has isolated connected components such that the interior of is not empty and is smooth, has isolated zero points, , , and has critical points such that , then for small, there exists a standing wave solution which is trapped in a neighborhood of Moreover the amplitudes of the standing wave around , and are of a different order of . This type of multi-scale solution has never before been obtained. |
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Keywords: | Multiscale-bump standing waves nonlinear Schr\"odinger equation variational method critical point |
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