2018
DOI: 10.1002/num.22282
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A linearized and second‐order unconditionally convergent scheme for coupled time fractional Klein‐Gordon‐Schrödinger equation

Abstract: In this work, we study finite difference scheme for coupled time fractional Klein‐Gordon‐Schrödinger (KGS) equation. We proposed a linearized finite difference scheme to solve the coupled system, in which the fractional derivatives are approximated by some recently established discretization formulas. These formulas approximate the solution with second‐order accuracy at points different form the grid points in time direction. Taking advantage of this property, our proposed linearized scheme evaluates the nonli… Show more

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Cited by 11 publications
(5 citation statements)
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“…Additionally, the computation of the NLS is a critical part of the verification process of the analytical theories. This has been achieved in the case of non-varying coefficients, with success for a large number of comparative numerical algorithms [12][13][14][15][16].…”
Section: Introductionmentioning
confidence: 96%
“…Additionally, the computation of the NLS is a critical part of the verification process of the analytical theories. This has been achieved in the case of non-varying coefficients, with success for a large number of comparative numerical algorithms [12][13][14][15][16].…”
Section: Introductionmentioning
confidence: 96%
“…This is mainly because the effect of using fractional calculus to solve problems is more practical and efficient than that of classical calculus. Over the years, the BVPs for a system of fractional differential equations have developed rapidly, and numerous mature conclusions have been obtained, which can be referred to the literature [19][20][21][22][23][24][25].…”
Section: Introductionmentioning
confidence: 99%
“…Moreover, the problem under consideration is a nonlinear time-fractional equation, and classical nonlocal numerical schemes blending with iterative methods would take more expensive computation and have more complexity in the analysis. So it is really competitive and also necessary to construct linearized numerical methods for nonlinear time-fractional problems [12,16,17,18,33]. It is worth to mention that the solution of many time-fractional differential equations typically displays a weak singularity near the initial time [8,9,10,19,20,21,26,29,30], which leads to the loss of time accuracy for many related high-order numerical methods.…”
Section: Introductionmentioning
confidence: 99%