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19922026
most citedAsymptotic iteration method for eigenvalue problems

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math-ph2026

An Accurate Zeroth-Order Perturbation Theory for Solving Power-Law Potentials within the Framework of the Asymptotic Iteration Method

A. J. Sous, Ibsal Assi, Nasser Saad

Spherically symmetric singular potentials have a wide range of applications, such as molecular and atomic physics. In this work, we present a zeroth-order perturbation theory for s…

math-ph2020★ 1 cited

Incomplete Symmetric Orthogonal Polynomials of Finite Type Generated by a Generalized Sturm-Liouville Theorem

Mohammad Masjed-Jamei, Zahra Moalemi, Nasser Saad

In a classical case, orthogonal polynomial sequences are in such a way that the th polynomial has the exact degree . Such sequences are complete and form a basis of the spa…

math-ph2020★ 21 cited

The Asymptotic Iteration Method Revisited

Mourad E. H. Ismail, Nasser Saad

The Asymptotic Iteration Method (AIM) is a technique for solving analytically and approximately the linear second-order differential equation, especially the eigenvalue problems th…

math-ph2018★ 10 cited

Exact normalized eigenfunctions for general deformed Hulthén potentials

Richard L. Hall, Nasser Saad, K. D. Sen

The exact solutions of Schrödinger's equation with the deformed Hulthén potential are given, along with a closed--form form…

math-ph2018★ 1 cited

The -dimensional softcore Coulomb potential and the generalized confluent Heun equation

Richard L Hall, Nasser Saad, Kyle R. Bryenton

An analysis of the generalized confluent Heun equation in -dimensional space, where $\{α_i, β_i, \…

math-ph2018★ 1 cited

A Note on the Generalized and Universal Associated Legendre Equations

Keegan L. A. Kirk, Kyle R. Bryenton, Nasser Saad

A class of second-order differential equations commonly arising in physics applications are considered, and their explicit hypergeometric solutions are provided. Further, the relat…

math-ph2016★ 11 cited

Exact and approximate solutions of Schrödinger's equation with hyperbolic double-well potentials

Richard L. Hall, Nasser Saad

Analytic and approximate solutions for the energy eigenvalues generated by the hyperbolic potentials are constructed.…

math-ph2014★ 7 cited

Soft and hard confinement of a two-electron quantum system

Richard L. Hall, Nasser Saad, K. D. Sen

A model physical problem is studied in which a system of two electrons is subject either to soft confinement by means of attractive oscillator potentials or by entrapment within an…

math-ph2014★ 17 cited

Schrödinger spectrum generated by the Cornell potential

Richard L. Hall, Nasser Saad

The eigenvalues of the -dimensional Schrödinger equation with the Cornell potential , are analyzed by means of the envelope method and…

math-ph2014★ 2 cited

Spectra generated by a confined softcore Coulomb potential

Richard L Hall, Nasser Saad

Analytic and approximate solutions for the energy eigenvalues generated by a confined softcore Coulomb potentials of the form a/(r+β) in d>1 dimensions are constructed. The confine…

math-ph2013★ 1 cited

Polynomial solutions for a class of second-order linear differential equations

Nasser Saad, Richard L. Hall, Victoria A. Trenton

We analyze the polynomial solutions of the linear differential equation where is a -degree polynomial. We discuss all the possib…

math-ph2013★ 1 cited

2D-Zernike polynomials and coherent state quantization of the unit disc

K. Thirulogasanthar, Nasser Saad, G. Honnouvo

Using the orthonormality of the 2D-Zernike polynomials, reproducing kernels, reproducing kernel Hilbert spaces, and ensuring coherent states attained. With the aid of the so-obtain…

math-ph2013★ 18 cited

Exact and approximate solutions to Schroedinger's equation with decatic potentials

David Brandon, Nasser Saad

The one-dimensional Schroedinger's equation is analysed with regard to the existence of exact solutions for decatic polynomial potentials. Under certain conditions on the potential…

math-ph2012★ 27 cited

Exact and approximate solutions of Schroedinger's equation for a class of trigonometric potentials

Hakan Ciftci, Richard L. Hall, Nasser Saad

The asymptotic iteration method is used to find exact and approximate solutions of Schroedinger's equation for a number of one-dimensional trigonometric potentials (sine-squared, d…

math-ph2011★ 11 cited

Discrete spectra for confined and unconfined -a/r + b r^2 potentials in d dimensions

Richard L. Hall, Nasser Saad, Kalidas Sen

Exact solutions to the d-dimensional Schroedinger equation, d\geq 2, for Coulomb plus harmonic oscillator potentials V(r)=-a/r+br^2, b>0 and a\ne 0 are obtained. The potential V(r)…

math-ph2011

Study of the generalized quantum isotonic nonlinear oscillator potential

Nasser Saad, Richard L. Hall, Hakan Ciftci +1

We study the generalized quantum isotonic oscillator Hamiltonian given by H=-d^2/dr^2+l(l+1)/r^2+w^2r^2+2g(r^2-a^2)/(r^2+a^2)^2, g>0. Two approaches are explored. A method for find…

math-ph2011★ 12 cited

Spectral characteristics for a spherically confined -1/r + br^2 potential

Richard L. Hall, Nasser Saad, K. D. Sen

We consider the analytical properties of the eigenspectrum generated by a class of central potentials given by V(r) = -a/r + br^2, b>0. In particular, scaling, monotonicity, and en…

math-ph2010★ 19 cited

Generalized quantum isotonic nonlinear oscillator in d dimensions

Richard L. Hall, Nasser Saad, Ozlem Yesiltas

We present a supersymmetric analysis for the d-dimensional Schroedinger equation with the generalized isotonic nonlinear-oscillator potential V(r)={B^2}/{r^{2}}+ω^{2} r^{2}+2g{(r^{…

math-ph2010

Calculation of generalized Hubbell rectangular source integral

Jonathan Murley, Nasser Saad

A simple formula for computing the generalized Hubbell radiation rectangular source integral $$H[{a,b,p,λ\atop α,β,γ}]=\frac{σa}{4π}\int_0^b x^λ(x^2+p)^{-α}{}_2F_1(α,β;γ;-{a^2\over…

math-ph2010★ 49 cited

Physical applications of second-order linear differential equations that admit polynomial solutions

Hakan Ciftci, Richard L. Hall, Nasser Saad +1

Conditions are given for the second-order linear differential equation P3 y" + P2 y'- P1 y = 0 to have polynomial solutions, where Pn is a polynomial of degree n. Several applicati…

math-ph2009★ 26 cited

Soft-core Coulomb potentials and Heun's differential equation

Richard L. Hall, Nasser Saad, K. D. Sen

Schroedinger's equation with the attractive potential V(r) = -Z/(r^q+ b^q)^(1/q), Z > 0, b > 0, q >= 1, is shown, for general values of the parameters Z and b, to be reducible to t…

math-ph2009★ 36 cited

Energies and wave functions for a soft-core Coulomb potential

Richard L. Hall, Nasser Saad, K. D. Sen +1

For the family of model soft Coulomb potentials represented by V(r) = -\frac{Z}{(r^q+β^q)^{\frac{1}{q}}}, with the parameters Z>0, β>0, q \ge 1, it is shown analytically that the p…

math-ph2009★ 1 cited

Solvable Systems of Linear Differential Equations

Katherine M. Robertson, Nasser Saad

The asymptotic iteration method (AIM) is an iterative technique used to find exact and approximate solutions to second-order linear differential equations. In this work, we employe…

math-ph2008★ 29 cited

Study of a confined Hydrogen-like atom by the Asymptotic Iteration Method

Hakan Ciftci, Richard L. Hall, Nasser Saad

The asymptotic iteration method (AIM) is used to obtain both special exact solutions and general approximate solutions for a Hydrogen-like atom confined in a spherical box of arbit…