Theoretical study of the phenomenon of blow-up solutions for semilinear Schrödinger equations has been the subject of investigations of many authors. It is said that the maximal time interval of existence of the solution blows up in a finite time when this time is finite, and the solution develops a singularity in a finite time. In fact, semilinear Schrhödinger equation models a lot of physical phenomenon such as nonlinear optics, energy transfer in molecular systems, quantum mechanics, seismology, plasma physics. In the past, certain authors have used numerical methods to study the phenomenon of blow-up for semilinear Schrödinger equations. They have considered the same problem and one proves that the energy of the system is conserved, and the method used to show blow-up solutions are based on the energy's method. This paper proposes a method based on a modification of the method of Kaplan using eigenvalues and eigenfunctions to show that the semidiscrete solution blows up in a finite time under some assumptions. The semidiscrete blow-up time is also estimate. Similar results are obtain replacing the reaction term by another form to generalise the result. Finally, this paper propose two schemes for some numerical experiments and a graphics is given to illustrate the analysis.
Published in | International Journal of Applied Mathematics and Theoretical Physics (Volume 5, Issue 3) |
DOI | 10.11648/j.ijamtp.20190503.13 |
Page(s) | 66-71 |
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Semidiscretization, Blow-up, Schrödinger Equations
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APA Style
Konan Firmin N'gohisse, Diabate Nabongo, Lassane Traoré. (2019). Blow-up for Semidiscretisations of a Semilinear Schrodinger Equation with Dirichlet Condition. International Journal of Applied Mathematics and Theoretical Physics, 5(3), 66-71. https://doi.org/10.11648/j.ijamtp.20190503.13
ACS Style
Konan Firmin N'gohisse; Diabate Nabongo; Lassane Traoré. Blow-up for Semidiscretisations of a Semilinear Schrodinger Equation with Dirichlet Condition. Int. J. Appl. Math. Theor. Phys. 2019, 5(3), 66-71. doi: 10.11648/j.ijamtp.20190503.13
AMA Style
Konan Firmin N'gohisse, Diabate Nabongo, Lassane Traoré. Blow-up for Semidiscretisations of a Semilinear Schrodinger Equation with Dirichlet Condition. Int J Appl Math Theor Phys. 2019;5(3):66-71. doi: 10.11648/j.ijamtp.20190503.13
@article{10.11648/j.ijamtp.20190503.13, author = {Konan Firmin N'gohisse and Diabate Nabongo and Lassane Traoré}, title = {Blow-up for Semidiscretisations of a Semilinear Schrodinger Equation with Dirichlet Condition}, journal = {International Journal of Applied Mathematics and Theoretical Physics}, volume = {5}, number = {3}, pages = {66-71}, doi = {10.11648/j.ijamtp.20190503.13}, url = {https://doi.org/10.11648/j.ijamtp.20190503.13}, eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ijamtp.20190503.13}, abstract = {Theoretical study of the phenomenon of blow-up solutions for semilinear Schrödinger equations has been the subject of investigations of many authors. It is said that the maximal time interval of existence of the solution blows up in a finite time when this time is finite, and the solution develops a singularity in a finite time. In fact, semilinear Schrhödinger equation models a lot of physical phenomenon such as nonlinear optics, energy transfer in molecular systems, quantum mechanics, seismology, plasma physics. In the past, certain authors have used numerical methods to study the phenomenon of blow-up for semilinear Schrödinger equations. They have considered the same problem and one proves that the energy of the system is conserved, and the method used to show blow-up solutions are based on the energy's method. This paper proposes a method based on a modification of the method of Kaplan using eigenvalues and eigenfunctions to show that the semidiscrete solution blows up in a finite time under some assumptions. The semidiscrete blow-up time is also estimate. Similar results are obtain replacing the reaction term by another form to generalise the result. Finally, this paper propose two schemes for some numerical experiments and a graphics is given to illustrate the analysis.}, year = {2019} }
TY - JOUR T1 - Blow-up for Semidiscretisations of a Semilinear Schrodinger Equation with Dirichlet Condition AU - Konan Firmin N'gohisse AU - Diabate Nabongo AU - Lassane Traoré Y1 - 2019/08/26 PY - 2019 N1 - https://doi.org/10.11648/j.ijamtp.20190503.13 DO - 10.11648/j.ijamtp.20190503.13 T2 - International Journal of Applied Mathematics and Theoretical Physics JF - International Journal of Applied Mathematics and Theoretical Physics JO - International Journal of Applied Mathematics and Theoretical Physics SP - 66 EP - 71 PB - Science Publishing Group SN - 2575-5927 UR - https://doi.org/10.11648/j.ijamtp.20190503.13 AB - Theoretical study of the phenomenon of blow-up solutions for semilinear Schrödinger equations has been the subject of investigations of many authors. It is said that the maximal time interval of existence of the solution blows up in a finite time when this time is finite, and the solution develops a singularity in a finite time. In fact, semilinear Schrhödinger equation models a lot of physical phenomenon such as nonlinear optics, energy transfer in molecular systems, quantum mechanics, seismology, plasma physics. In the past, certain authors have used numerical methods to study the phenomenon of blow-up for semilinear Schrödinger equations. They have considered the same problem and one proves that the energy of the system is conserved, and the method used to show blow-up solutions are based on the energy's method. This paper proposes a method based on a modification of the method of Kaplan using eigenvalues and eigenfunctions to show that the semidiscrete solution blows up in a finite time under some assumptions. The semidiscrete blow-up time is also estimate. Similar results are obtain replacing the reaction term by another form to generalise the result. Finally, this paper propose two schemes for some numerical experiments and a graphics is given to illustrate the analysis. VL - 5 IS - 3 ER -