Abstract
In this paper, a new compact finite difference scheme is proposed for a periodic initial value problem of the nonlinear Schrödinger equation with wave operator. This is an explicit scheme of four levels with a discrete conservation law. The unconditional stability and convergence in maximum norm with order \(O(h^{4}+\tau ^{2})\) are verified by the energy method. Those theoretical results are proved by a numerical experiment and it is also verified that this scheme is better than the previous scheme via comparison.
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The authors would like to express their sincere thanks and gratitude to the editors and reviewers for their insightful comments and suggestions for the improvement of this paper.
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This work is supported by the Natural Science Foundation of Anhui Province (No. 1508085QB41) and the University Natural Science Research key Project of Anhui Province (No. KJ2015A242).
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Li, X., Zhang, L. & Zhang, T. A new numerical scheme for the nonlinear Schrödinger equation with wave operator. J. Appl. Math. Comput. 54, 109–125 (2017). https://doi.org/10.1007/s12190-016-1000-4
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DOI: https://doi.org/10.1007/s12190-016-1000-4