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By expressing the time-independent Schrodinger equation in one dimension as a system of two first-order differential equations, the transfer matrix for a rectangular potential barrier is obtained making use of the matrix exponential. It is…

Classical Physics · Physics 2007-06-08 G. F. Torres del Castillo , I. Rubalcava Garcia

Using Lie group theory we construct explicit solitary wave solutions of coupled nonlinear Schrodinger systems with spatially inhomogeneous nonlinearities. We present the general theory, use it to construct different families of explicit…

Pattern Formation and Solitons · Physics 2015-05-18 Juan Belmonte-Beitia , Valeriy Brazhnyi , Victor M. Perez-Garcia

We present a new method for solving the Schrodinger equation using the Lossless Transmission Line Model (LTL). The LTL model although extensively used in fiber optics and optical fiber design, it has not yet found application in solid state…

General Physics · Physics 2016-06-16 C. D. Papageorgiou , A. C. Boucouvalas , T. E. Raptis

In this note we give an explicit formula for the wave equation associated to the Schrodinger operator with a Liouville Potential with applications to the telegraph equation as well as the wave equation on the hyperbolic plane

Mathematical Physics · Physics 2017-03-23 Yehdhih Mohamed Abdelhaye , Badahi Mohamed , Mohamed Vall Ould Moustapha

We review different properties related to the Cauchy problem for the (nonlinear) Schrodinger equation with a smooth potential. For energy-subcritical nonlinearities and at most quadratic potentials, we investigate the necessary decay in…

Analysis of PDEs · Mathematics 2020-12-16 Rémi Carles

In this paper, we present a variational treatment of the linear dependence for a non-orthogonal time-dependent basis set in solving the Schr\"odinger equation. The method is based on: i) the definition of a linearly independent working…

Quantum Physics · Physics 2022-10-12 Loïc Joubert-Doriol

This is the second part of a paper about a q-deformed analog of non-relativistic Schroedinger theory. It applies the general ideas of part I and tries to give a description of one-particle states on q-deformed quantum spaces like the…

Quantum Physics · Physics 2007-05-23 Hartmut Wachter

With the consideration of spherical symmetry for the potential and mass function, one-dimensional solutions of non-relativistic Schrodinger equations with spatially varying effective mass are successfully extended to arbitrary dimensions…

Quantum Physics · Physics 2008-11-26 B. Gonul , M. Kocak

In this paper, we study the time-independent Schr\"odinger equation within the formalism of position dependent effective mass. For a generalized decomposition of the non-central effective potential, the deformed Schr\"odinger equation can…

Quantum Physics · Physics 2016-10-27 M. Chabab , A. El Batoul , H. Hassanabadi , M. Oulne , S. Zare

The two-dimensional cubic nonlinear Schr\"{o}dinger equation is used to describe the propagation of an intense laser beam through a medium with Kerr nonlinearity. The coupled two-dimensional cubic nonlinear Schr\"{o}dinger equations are…

Mathematical Physics · Physics 2008-07-01 Xiaoping Xu

The dynamics of an initially localized wavepacket is studied for the generalized nonlinear Schroedinger Equation with a random potential, where the nonlinearity term is |\psi|^p*\psi and "p" is arbitrary. Mainly short times for which the…

Quantum Physics · Physics 2013-08-30 Hagar Veksler , Yevgeny Krivolapov , Shmuel Fishman

The properties of pulse propagation in a nonlinear fiber including linear damped term added in the usual nonlinear Schr\"odinger equation is analyzed analytically. We apply variational modified approach based on the lagrangian that describe…

Optics · Physics 2007-05-23 Dagoberto S Freitas , Jairo R de Oliveira

We construct infinitely many real-valued, time-periodic breather solutions of power-type nonlinear wave equations. These solutions are obtained from critical points of a dual functional and they are weakly localized in space. Our abstract…

Analysis of PDEs · Mathematics 2021-08-11 Rainer Mandel , Dominic Scheider

We study the dynamics of the noncommutative fuid in the Snyder space perturbatively at the first order in powers of the noncommutative parameter. The linearized noncommutative fluid dynamics is described by a system of coupled linear…

High Energy Physics - Theory · Physics 2016-11-26 M. C. B. Abdalla , L. Holender , M. A. Santos , I. V. Vancea

We obtain exact solitary wave solutions of a variant of the generalized derivative nonlinear Schrodinger\equation in 1+1 dimensions with arbitrary values of the nonlinearity parameter $\kappa$ in a Scarf-II potential. This variant of the…

Pattern Formation and Solitons · Physics 2018-11-14 Avinash Khare , Fred Cooper , John F. Dawson

In "extended phase space" approach to quantum geometrodynamics numerical solutions to Schrodinger equation corresponding to various choice of gauge conditions are obtained for the simplest isotropic model. The "extended phase space"…

General Relativity and Quantum Cosmology · Physics 2008-01-31 T. P. Shestakova

The method previously used to solve Schr\"odinger equation by a unitary transformation for a electron under the influence of a constant magnetic field is used to obtain a non-free Landau electron wave function. The physical meaning of this…

Quantum Physics · Physics 2024-05-17 Jorge A. Lizarraga

The current paper discusses and analytically solves the Langmuir spherical problem. A general solution has been obtained in a parametric representation and expressed in terms of the Airy function. A solution to the electric potential in a…

General Physics · Physics 2010-08-31 Dimitar G. Stoyanov

We consider a class of linear Schroedinger equations in R^d, with analytic symbols. We prove a global-in-time integral representation for the corresponding propagator as a generalized Gabor multiplier with a window analytic and decaying…

Analysis of PDEs · Mathematics 2015-04-29 Elena Cordero , Fabio Nicola , Luigi Rodino

We consider nonlinear Schr\"odinger equations with either power-type or Hartree nonlinearity in the presence of an external potential. We show that for long-range nonlinearities, solutions cannot exhibit scattering to solitary waves or more…

Analysis of PDEs · Mathematics 2021-01-11 Jason Murphy , Kenji Nakanishi