Results 91 to 100 of about 746,627 (265)

The Effect of Gain and Strong Dissipative Structures on Nonlinear Schrödinger Equations in Optical Fiber

open access: yesAdvances in Mathematical Physics, 2019
We consider the initial value problem for the nonlinear Schrödinger equation satisfying the strong dissipative condition Iλp-1/2pRλ in one space dimension.
Xintong Yuan, Chunhua Li
doaj   +1 more source

Concave-convex nonlinearities for some nonlinear fractional equations involving the Bessel operator [PDF]

open access: yesarXiv, 2016
We prove some existence results for a class of nonlinear fractional equations driven by a nonlocal operator.
arxiv  

Densities, Surface Tensions, and Viscosities of Molten High‐Silicon Electrical Steels with Different Silicon Contents

open access: yessteel research international, Volume 96, Issue 5, May 2025.
Density, surface tension, and viscosity of liquid electrical steels are measured at different temperatures, varying in silicon content between 3 and 6 mass%. Based on this, the density of the steel and the surface tension can be described as a function of temperature and silicon content with new models.
Lukas Neubert   +6 more
wiley   +1 more source

Inverse scattering for the nonlinear Schrödinger equation with the Yukawa potential [PDF]

open access: yesarXiv, 2007
We study the inverse scattering problem for the three dimensional nonlinear Schroedinger equation with the Yukawa potential. The nonlinearity of the equation is nonlocal. We reconstruct the potential and the nonlinearity by the knowledge of the scattering states.
arxiv  

Discovering Dynamical Laws for Speech Gestures

open access: yesCognitive Science, Volume 49, Issue 5, May 2025.
Abstract A fundamental challenge in the cognitive sciences is discovering the dynamics that govern behavior. Take the example of spoken language, which is characterized by a highly variable and complex set of physical movements that map onto the small set of cognitive units that comprise language.
Sam Kirkham
wiley   +1 more source

Modulation instability analysis of modify unstable nonlinear schrodinger dynamical equation and its optical soliton solutions

open access: yesResults in Physics, 2017
The nonlinear Schrödinger equations (NLSEs) describe the promulgation of ultra-short pluse in optical fibers. The modify unstable nonlinear Schrödinger equation (mUNLSE) is a universal equation of the class of nonlinear integrable systems in NLSEs, which
Muhammad Arshad   +3 more
doaj  

Solitary wave solutions of the Camassa–Holm-Nonlinear Schrödinger Equation

open access: yesResults in Physics, 2020
This study investigates the solitary wave solutions to the defocusing nonlinear Schrödinger equation, which is known as Camassa–Holm-Nonlinear Schrödinger (CH-NLS) equation.
Thilagarajah Mathanaranjan
doaj  

Qualitative analysis of stochastic Schrödinger–Hirota equation in birefringent fibers with spatiotemporal dispersion and parabolic law nonlinearity

open access: yesResults in Physics, 2023
In this paper, the stochastic Schrödinger–Hirota equation in birefringent fibers with spatiotemporal dispersion and parabolic law nonlinearity is studied, which is usually used to describe the mathematical model of optical soliton propagation in ...
Chen Peng, Lu Tang, Zhao Li, Dan Chen
doaj  

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