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Nonlinear Fourier transform - towards the construction of nonlinear Fourier modesSaksida, PavleV članku obravnavamo nelinearno Fourierovo transformacijo, ki je pridružena sistemom tipa ZS-AKNS. Ta verzija nelinearne Fourierove transformacije je primerna za študij nelinearnih analogij ... Fourierovih baz in za perturbacijsko preučevanje nelinearne superpozicije. V članku razvijemo iterativni postopek za izračun inverza naše transformacije. Dobljene formule so izrazljive s pomočjo Bellovih polinomov in njim sorodnih funkcij. V članku dokažemo , da je nelinearna Fourierova transformacija analitična preslikava. To dejstvo zagotavlja konvergenco naše iterativne sheme. Dokažemo, da so člani nelinearnih Fourierovih baz do tretjega reda v perturbacijskem parametru sinusoide, modulirane z drugim Bernoullinevim polinomom. Opišemo uporabo nelinearne superpozicije dveh elementov nelinearne Fourierove baze na problemu prenosa (svetlobe) skozi nelinearen medij.Source: Journal of physics. A, Mathematical and theoretical. - ISSN 1751-8113 (Vol. 51, no. 1, 2018, 015205 (31 str.))Type of material - article, component partPublish date - 2018Language - englishCOBISS.SI-ID - 18191449
Author
Saksida, Pavle
Topics
nelinearna Fourierova transformacija |
inverzno sipanje |
integrabilni sistemi |
nelinearne Fourierove baze |
Bellovi polinomi |
Bernoullinevi polinomi |
nelinearna Schroedingerjeva enačba |
nonlinear Fourier transform |
inverse scattering |
integrable systems |
nonlinear Fourier modes |
Bell polynomials |
Bernoulli polynomials |
nonlinear Schrödinger equation
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