Results 1 to 10 of about 2,454 (169)

Exact scattering waves off nonlocal potentials under Coulomb interaction within Schrödinger's integro-differential equation

open access: yesPhysics Letters B, 2019
An exact solution for the scattering wavefunction from a nonlocal potential in the presence of Coulomb interaction is presented. The approach is based on the construction of a Coulomb Green's function in coordinate space whose associated kernel involves ...
H.F. Arellano, G. Blanchon
doaj   +3 more sources

On a Multivalued Differential Equation with Nonlocality in Time [PDF]

open access: yesVietnam Journal of Mathematics, 2020
AbstractThe initial value problem for a multivalued differential equation is studied, which is governed by the sum of a monotone, hemicontinuous, coercive operator fulfilling a certain growth condition and a Volterra integral operator in time of convolution type with exponential decay.
Eikmeier, André, Emmrich, Etienne
openaire   +4 more sources

Pull-in Instability Analysis of a Nanocantilever Based on the ‎Two-Phase Nonlocal Theory of Elasticity [PDF]

open access: yesJournal of Applied and Computational Mechanics, 2022
This paper deals with the pull-in instability of cantilever nano-switches subjected to electrostatic and intermolecular forces in the framework of the two-phase nonlocal theory of elasticity.
Gennadi Mikhasev   +2 more
doaj   +1 more source

Semiclassical Approach to the Nonlocal Kinetic Model of Metal Vapor Active Media

open access: yesMathematics, 2021
A semiclassical approach based on the WKB–Maslov method is developed for the kinetic ionization equation in dense plasma with approximations characteristic of metal vapor active media excited by a contracted discharge.
Alexander V. Shapovalov   +1 more
doaj   +1 more source

Longitudinal Vibration of Nanobeams by Two-Phase Local/Nonlocal Elasticity, Rayleigh Theory, and Generalized Differential Quadrature Method [PDF]

open access: yesMechanics of Advanced Composite Structures, 2023
To solve a differential equation of motion via more reliable procedures, it is essential to realize their efficiency. Whether Rayleigh's theory can be a compatible platform with two-phase local/nonlocal elasticity to render more reliable results compared
Reza Nazemnezhad, Roozbeh Ashrafian
doaj   +1 more source

Nonlocal Fractional Differential Equations and Applications [PDF]

open access: yesComplex Analysis and Operator Theory, 2020
Boundary value problems for nonlocal fractional elliptic equations with parameter in Banach spaces are studied. Uniform $L_p$-separability properties and sharp resolvent estimates are obtained for elliptic equations in terms of fractional derivatives.
openaire   +2 more sources

Homogenization of nonlocal partial differential equations related to stochastic differential equations with Lévy noise

open access: yesBernoulli, 2022
We study the "periodic homogenization" for a class of nonlocal partial differential equations of parabolic-type with rapidly oscillating coefficients, related to stochastic differential equations driven by multiplicative isotropic $α$-stable Lévy noise ...
Huang, Qiao   +2 more
openaire   +3 more sources

Non-real eigenvalues of nonlocal indefinite Sturm–Liouville problems

open access: yesBoundary Value Problems, 2019
The present paper deals with non-real eigenvalues of regular nonlocal indefinite Sturm–Liouville problems. The existence of non-real eigenvalues of indefinite Sturm–Liouville differential equation with nonlocal potential K ( x , t ) $K(x,t)$ associated ...
Fu Sun   +3 more
doaj   +1 more source

On a multipoint nonlocal initial value problem for a singularly-perturbed first-order ODE [PDF]

open access: yesE-Journal of Analysis and Applied Mathematics, 2019
A linear first order ordinary differential equation (ODE) with a positive parameter $\varepsilon$ and a multipoint nonlocal initial value condition (NLIVC) is considered.
Dovlet M. Dovletov
doaj   +1 more source

Infinite point and Riemann–Stieltjes integral conditions for an integro-differential equation

open access: yesNonlinear Analysis, 2019
In this paper, we study the existence of solutions for two nonlocal problems of integro-differential equation with nonlocal infinite-point and Riemann–Stieltjes integral boundary conditions. The continuous dependence of the solution will be studied.
Ahmed El-Sayed, Reda Gamal
doaj   +1 more source

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