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We consider the problem of reconstructing the shape of an impenetrable sound-soft obstacle from scattering measurements. The input data is assumed to be the far-field pattern generated when a plane wave impinges on an unknown obstacle from…

数值分析 · 数学 2015-05-28 Carlos Borges , Leslie Greengard

We study the direct and inverse scattering problems for the Zakharov-Shabat system. Representations for the Jost solutions are obtained in the form of the power series in terms of a transformed spectral parameter. In terms of that…

数学物理 · 物理学 2025-07-15 Vladislav V. Kravchenko

The initial value problem for the general coupled Hirota system with nonzero boundary conditions at infinity is solved by reporting a rigorous theory of the inverse scattering transform. With the help of a suitable uniformization variable,…

数学物理 · 物理学 2023-07-03 Xiu-Bin Wang , Shou-Fu Tian

This paper is devoted to the study of the defocusing nonlinear Schr\"{o}dinger equation with a self-consistent source and nonzero boundary conditions by the method of the inverse scattering problem. In cases where the source consists of a…

偏微分方程分析 · 数学 2023-01-12 Anvar Reyimberganov

We study an inverse source scattering problem for the Schr\"odinger equation with a quadratic nonlinearity. In general, uniqueness of inverse source problems can not be guaranteed at a fixed energy. Therefore, additional information is…

偏微分方程分析 · 数学 2023-03-22 Lei Zhang , Yue Zhao

In this paper, we consider inverse scattering and inverse boundary value problems at sufficiently large and fixed energy for the multidimensional relativistic and nonrelativistic Newton equations in a static external electromagnetic field…

数学物理 · 物理学 2007-07-31 Alexandre Jollivet

The theory of inverse scattering is developed to study the initial-value problem for the modified matrix Korteweg-de Vries (mmKdV) equation with the $2m\times2m$ $(m\geq 1)$ Lax pairs under the nonzero boundary conditions at infinity. In…

可精确求解与可积系统 · 物理学 2020-05-04 Jin-Jie Yang , Shou-Fu Tian , Zhi-Qiang Li

We transform an inverse scattering problem to be an interior transmission problem. We find an inverse uniqueness on the scatterer with a knowledge of a fixed interior transmission eigenvalue. By examining the solution in a series of…

数学物理 · 物理学 2015-08-06 Lung-Hui Chen

Matrix generalization of the inverse scattering method is developed to solve the multicomponent nonlinear Schr\"odinger equation with nonvanishing boundary conditions. It is shown that the initial value problem can be solved exactly. The…

可精确求解与可积系统 · 物理学 2009-11-11 Jun'ichi Ieda , Masaru Uchiyama , Miki Wadati

We consider the use of rational basis functions to compute the scattering and inverse scattering transforms associated with the AKNS system. The proposed numerical forward scattering transform computes the solution of the AKNS system that…

数值分析 · 数学 2021-07-02 Thomas Trogdon

The inverse scattering method for the Novikov-Veselov equation is studied for a larger class of Schr\"odinger potentials than could be handled previously. Previous work concerns so-called conductivity type potentials, which have a bounded…

偏微分方程分析 · 数学 2013-12-03 Michael Music

This work investigates both direct and inverse problems of the variable-exponent sub-diffusion model, which attracts increasing attentions in both practical applications and theoretical aspects. Based on the perturbation method, which…

数值分析 · 数学 2025-01-31 Zhiyuan Li , Chunlong Sun , Xiangcheng Zheng

The Schroedinger equation on the half line is considered with a real-valued, integrable potential having a finite first moment. It is shown that the potential and the boundary conditions are uniquely determined by the data containing the…

数学物理 · 物理学 2009-11-10 Tuncay Aktosun , Ricardo Weder

The inverse scattering transform is extended to investigate the Tzitz\'{e}ica equation. A set of sectionally analytic eigenfunctions and auxiliary eigenfunctions are introduced. We note that in this procedure, the auxiliary eigenfunctions…

可精确求解与可积系统 · 物理学 2020-11-30 Linlin Wang , Junyi Zhu

Interest in inverse dynamical, spectral and scattering problems for differential equations on graphs is motivated by possible applications to nano-electronics and quantum waveguides and by a variety of other classical and quantum…

偏微分方程分析 · 数学 2025-05-13 S. A. Avdonin , V. S. Mikhaylov , K. B. Nurtazina

We consider the spectral theory for discrete Schr\"odinger operators on the hexagonal lattice and their inverse scattering problem. We give a procedure for reconstructing the compactly supported potential from the scattering matrix for all…

谱理论 · 数学 2011-10-19 Kazunori Ando

As a prototype of an evolution equation we consider the Schr\"odinger equation i (d/dt) \Psi(t) = H \Psi(t), H = H_0 + V(x) for the Hilbert space valued function \Psi(.) which describes the state of the system at time t in space dimension…

数学物理 · 物理学 2016-09-07 Volker Enss

In this paper, we study the inverse scattering problem for energy-dependent Schr\"{o}dinger equations on the half-line with energy-dependent boundary conditions at the origin. Under certain positivity and very mild regularity assumptions,…

谱理论 · 数学 2020-07-13 Rostyslav Hryniv , Stepan Manko

B. Simon proved the existence of the wave operators for the CMV matrices with Szego class Verblunsky coefficients, and therefore the existence of the scattering function. Generally, there is no hope to restore a CMV matrix when we start…

谱理论 · 数学 2008-07-28 L. Golinskii , A. Kheifets , F. Peherstorfer , P. Yuditskii

In what follows we first set the context for inverse scattering in nuclear physics with a brief account of inverse problems in general. We then turn to inverse scattering which involves the S-matrix, which connects the interaction potential…

核理论 · 物理学 2012-05-03 Raymond S. Mackintosh