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In this paper, we present a simple analytical method for obtaining a nonspreading solution of the time-dependent Schr\"odinger equation, which is given by the Airy function. The solution is derived by imposing a restriction on the phase…

量子物理 · 物理学 2016-12-19 Tamoghna Majumdar , Maitraya Kanta Bhattacharyya , Kumble Rajesh Nayak

A supersymmetric technique for the solution of the effective mass Schr\"{o}% dinger equation is proposed. Exact solutions of the Schroedinger equation corresponding to a number of potentials are obtained. The potentials are fully…

量子物理 · 物理学 2009-11-10 Ramazan Koc , Hayriye Tutunculer

We outline a method based on successive canonical transformations which yields a product expansion for the evolution operator of a general (possibly non-Hermitian) Hamiltonian. For a class of such Hamiltonians this expansion involves a…

量子物理 · 物理学 2009-10-31 Ali Mostafazadeh

In this paper we consider the nonlinear one-dimensional time-dependent Schroedinger equation with a periodic potential and a local perturbation. In the limit of large periodic potential the time behavior of the wavefunction can be…

数学物理 · 物理学 2019-10-10 Andrea Sacchetti

We study the representation theory of the solution space of the one-dimensional Schr\"{o}dinger equation with time-dependent potentials that posses $\mathfrak{sl}_2$-symmetry. We give explicit local intertwining maps to multiplier…

表示论 · 数学 2011-04-19 Jose Franco

The method of solving of nonlinear Schr\"odinger equation is considered. Some examples of its applications are demonstrated.

可精确求解与可积系统 · 物理学 2007-05-23 Dmitry Levko

A transient magneto-quasistatic vector potential formulation involving nonlinear material is spatially discretized using the finite element method of first and second polynomial order. By applying a generalized Schur complement the…

计算工程、金融与科学 · 计算机科学 2020-11-09 Bernhard Kähne , Markus Clemens , Sebastian Schöps

In this work, we propose a parallel-in-time solver for linear and nonlinear ordinary differential equations. The approach is based on an efficient multilevel solver of the Schur complement related to a multilevel time partition. For linear…

数值分析 · 数学 2017-09-20 Santiago Badia , Marc Olm

This work presents a direct and highly accurate method to solve ordinary differential equations, in particular the Schr\"odinger equation in one dimension, through the direct substitution of a power series solution to obtain a purely…

量子物理 · 物理学 2014-09-25 Fabio E. R. Campolim

We find the form of the potential depending on the coordinates and the time such that a solution, $S$, of the Hamilton--Jacobi equation yields an exact solution, $\exp ({\rm i} S/\hbar)$, of the corresponding Schr\"odinger equation.

量子物理 · 物理学 2016-05-16 G. F. Torres del Castillo , C. Sosa-Sánchez

A propagation method for time-dependent Schr\"odinger equations with an explicitly time-dependent Hamiltonian is developed where time ordering is achieved iteratively. The explicit time-dependence of the time-dependent Schr\"odinger…

量子物理 · 物理学 2010-09-21 Mamadou Ndong , Hillel Tal-Ezer , Ronnie Kosloff , Christiane P. Koch

In this paper, we focus on a general class of Schr\"odinger equations that are time-dependent and quadratic in X and P. We transform Schr\"odinger equations in this class, via a class of time-dependent mass equations, to a class of solvable…

量子物理 · 物理学 2009-10-31 Michael Martin Nieto , D. Rodney Truax

New exactly solvable quantum models are obtained with the help of the supersymmetric extencion of the nonstationary Schr/"odinger equation.

量子物理 · 物理学 2011-04-15 Boris F. Samsonov , L. A. Shekoyan

We obtain unique continuation results for Schrodinger equations with time dependent gradient vector potentials. This result with an appropriate modification also yields unique continuation properties for solutions of certain nonlinear…

偏微分方程分析 · 数学 2007-05-23 Hongjie Dong , Wolfgang Staubach

By using the Lewis-Riesenfeld theory and the invariant-related unitary transformation formulation, the exact solutions of the {\it time-dependent} Schr\"{o}dinger equations which govern the various Lie-algebraic quantum systems in atomic…

量子物理 · 物理学 2008-11-26 Jian Qi Shen , Hong Yi Zhu , Pan Chen

After introducing the formalism of the general space and time fractional Schr\"odinger equation, we concentrate on the time fractional Schr\"odinger equation and present new results via the elegant language of Fox's H-functions. We show…

数学物理 · 物理学 2013-01-07 Selcuk S. Bayin

The purpose of the present paper is to discuss the time dependent Schr\"odinger equation on a metric graph with time-dependent edge lengths, and the proper way to pose the problem so that the corresponding time evolution is unitary. We show…

数学物理 · 物理学 2024-03-21 Uzy Smilansky , Gilad Sofer

In this paper, we give estimates of the solutions to Schr\"{o}dinger equation on modulation spaces with vector potential of sub-linear growth.

偏微分方程分析 · 数学 2022-01-31 Keiichi Kato , Ryo Muramatsu

Some fundamental solutions of radial type for a class of iterated elliptic singular equations including the iterated Euler equation are given.

偏微分方程分析 · 数学 2007-07-16 A. Cetinkaya , N. Ozalp

For the unitary operator, solution of the Schroedinger equation corresponding to a time-varying Hamiltonian, the relation between the Magnus and the product of exponentials expansions can be expressed in terms of a system of first order…

量子物理 · 物理学 2009-11-07 Claudio Altafini