Comment on "Optical solitons for Radhakrishnan-Kundu-Lakshmanan equation in the presence of perturbation term and having Kerr

被引:4
|
作者
Nifontov, Daniil R. [1 ]
Borodina, Agniya G. [1 ]
Medvedev, Viktor A. [1 ]
机构
[1] Natl Res Nucl Univ MEPhI, Moscow Engn Phys Inst, Dept Appl Math, 31 Kashirskoe Shosse, Moscow 115409, Russia
来源
OPTIK | 2023年 / 284卷
关键词
Radhakrishnan-Kundu-Lakshmanan equation; The generalized projective Riccati equations; Solitary wave solution; Optical soliton; GENERALIZED RADHAKRISHNAN; SOLITARY WAVES; CONSTRUCTION;
D O I
10.1016/j.ijleo.2023.170555
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
We analyzed a recent paper (Ozdemir, 2022). The author used three approaches to construct solutions of Radhakrishnan-Kundu-Lakshmanan equation - the generalized projective Riccati equations method, the simple version of the new extended auxiliary equation method, and unified Riccati equation expansion method. We demonstrate that the first approach used by the author is erroneous. The second approach, which is, in fact, a modification of the Kudryashov method was used in an inefficient version with unnecessary restrictions. The third approach leads to several solutions that are equivalent to one. It is shown that the solutions presented in paper are wrong. The correct solutions of the RKL equation are presented.
引用
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页数:6
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