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We prove an existence and uniqueness result for ground states of one-dimensional Schr\"{o}dinger-Newton equations.

Mathematical Physics · Physics 2009-11-13 Ph. Choquard , J. Stubbe

In this paper, we study one-dimensional boundary blow up problems with Kirchhoff type nonlocal terms on an interval. We perform a bifurcation analysis on the problems and obtain the precise number of solutions according to the value of the…

Analysis of PDEs · Mathematics 2024-11-27 Kazuki Sato , Futoshi Takahashi

By the multiple-scale method some new approximate absorbing boundary conditions for the Schr\"odinger type equations are obtained.

Mathematical Physics · Physics 2007-05-23 M. Yu. Trofimov

The aim of this paper is to investigate the well-posedness of a class of boundary control and observation systems on a one dimensional spatial domain. We derive a necessary and sufficient condition characterizing the well-posedness of these…

Optimization and Control · Mathematics 2026-02-06 Bouchra Elghazi , Birgit Jacob , Hans Zwart

By converting the rectangular basis potential V(x,y) into the form as V(r)+V(r, phi) described by the pseudo central plus noncentral potential, particular solutions of the two dimensional Schrodinger equation in plane-polar coordinates have…

Quantum Physics · Physics 2011-09-06 Metin Aktas

In this paper, we consider the mass-critical nonlinear Schr\"odinger equation in one dimension. Ogawa--Tsutsumi [19] proved a blow-up result for negative energy solution by using a scaling argument for initial data. By the reason, the…

Analysis of PDEs · Mathematics 2022-03-01 Masaru Hamano , Masahiro Ikeda , Shuji Machihara

We introduce spiral boundary conditions (SBCs) as a useful tool for handling the shape of finite-size periodic clusters. Using SBCs, a lattice model for more than two dimensions can be exactly projected onto a one-dimensional (1D) periodic…

Strongly Correlated Electrons · Physics 2023-02-13 Masahiro Kadosawa , Masaaki Nakamura , Yukinori Ohta , Satoshi Nishimoto

Recent developments in quantum physics make heavy use of so-called "quantum trajectories." Mathematically, this theory gives rise to "stochastic Schr\"odinger equations", that is, perturbation of Schr\"odinger-type equations under the form…

Probability · Mathematics 2009-04-02 Clément Pellegrini

We are concerned with the existence of solutions to the following nonlinear Schr\"odinger system in $\mathbb{R}^3$: \begin{equation*} \left\{ \begin{aligned} -\Delta u_1 + (x_1^2+x_2^2)u_1&= \lambda_1 u_1 + \mu_1 |u_1|^{p_1 -2}u_1 + \beta…

Analysis of PDEs · Mathematics 2019-03-19 Tianxiang Gou

Fourth-order semilinear parabolic equations of the Cahn--Hilliard-type (01) u_t + \D^2 u = \g u \pm \D (|u|^{p-1}u) in \Omega \times \re_+, are considered in a smooth bounded domain $\O \subset \ren$ with Navier-type boundary conditions on…

Analysis of PDEs · Mathematics 2013-11-05 Pablo Alvarez-Caudevilla , Victor A. Galaktionov

We consider generic 2 x 2 singular Liouville systems on a smooth bounded domain in the plane having some symmetry with respect to the origin. We construct a family of solutions to which blow-up at the origin and whose local mass at the…

Analysis of PDEs · Mathematics 2016-10-04 Luca Battaglia , Angela Pistoia

An exact quantization rule for the bound states of the one-dimensional Schr\"{o}dinger equation is presented and is generalized to the three-dimensional Schr\"{o}dinger equation with a spherically symmetric potential.

Atomic Physics · Physics 2009-11-10 Zhong-Qi Ma , Bo-Wei Xu

In this paper, we are interested in the numerical analysis of blow up for the Chipot-Weissler equation with Dirichlet boundary conditions in bounded domain. To approximate the blow up solution, we construct a finite difference scheme and we…

Numerical Analysis · Mathematics 2015-07-29 Houda Hani , Moez Khenissi

We study the instability of standing wave solutions for nonlinear Schr\"{o}dinger equations with a one-dimensional harmonic potential in dimension $N\ge 2$. We prove that if the nonlinearity is $L^2$-critical or supercritical in dimension…

Analysis of PDEs · Mathematics 2017-06-08 Masahito Ohta

Some focusing coupled Schrodinger equations are investigated. First, existence of ground state is obtained. Second, global and non global existence of solutions are discussed via potential-well method. Finally, strong instability of…

Analysis of PDEs · Mathematics 2015-05-29 Tarek Saanouni

In this paper we study the number of bound states for potentials in one and two spatial dimensions. We first show that in addition to the well-known fact that an arbitrarily weak attractive potential has a bound state, it is easy to…

Mathematical Physics · Physics 2015-06-26 K. Chadan , N. N. Khuri , A. Martin , T. T. Wu

In this paper we will continue the analysis of two dimensional Schr\"odinger equation with a fixed, pointwise, nonlinearity started in [2, 13]. In this model, the occurrence of a blow-up phenomenon has two peculiar features: the energy…

Analysis of PDEs · Mathematics 2020-07-30 Riccardo Adami , Raffaele Carlone , Michele Correggi , Lorenzo Tentarelli

Assessment of the degree of boundedness/stability of multidimensional nonlinear systems with time-dependent and nonperiodic coefficients is an important problem in various applied areas which has no adequate resolution yet. Most of the…

Dynamical Systems · Mathematics 2022-06-07 Mark A. Pinsky

This paper is concerned with the blowup phenomenon of stochastic parabolic equations both on bounded domain and in the whole space. We introduce a new method to study the blowup phenomenon on bounded domain. Comparing with the existing…

Analysis of PDEs · Mathematics 2019-02-21 Guangying Lv , Jinlong Wei

We give a rigorous proof for the existence of a finite-energy, self-similar solution to the focusing cubic Schr\"odinger equation in three spatial dimensions. The proof is computer-assisted and relies on a fixed point argument that shows…

Analysis of PDEs · Mathematics 2025-12-10 Roland Donninger , Birgit Schörkhuber
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