English
Related papers

Related papers: A general scheme for the effective-mass Schrodinge…

200 papers

A one-dimensional Schr\"odinger equation with position-dependent effective mass in the kinetic energy operator is studied in the framework of an $so(2,1)$ algebra. New mass-deformed versions of Scarf II, Morse and generalized…

Quantum Physics · Physics 2009-11-10 B. Bagchi , P. Gorain , C. Quesne , R. Roychoudhury

Using a recently developed technique to solve Schr\"odinger equation for constant mass, we studied the regime in which mass varies with position i.e position dependent mass Schr\"odinger equation(PDMSE). We obtained an analytical solution…

Other Condensed Matter · Physics 2011-06-07 Pankaj K. Jha , Hichem Eleuch , Yuri V. Rostovtsev

For the two-dimensional Schr\"odinger equation, the general form of the point transformations such that the result can be interpreted as a Schr\"odinger equation with effective (i.e. position dependent) mass is studied. A wide class of such…

Quantum Physics · Physics 2017-12-13 M. V. Ioffe , D. N. Nishnianidze , V. V. Vereshagin

Known shape-invariant potentials for the constant-mass Schrodinger equation are taken as effective potentials in a position-dependent effective mass (PDEM) one. The corresponding shape-invariance condition turns out to be deformed. Its…

Quantum Physics · Physics 2009-11-10 B. Bagchi , A. Banerjee , C. Quesne , V. M. Tkachuk

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…

Quantum Physics · Physics 2009-11-10 Ramazan Koc , Hayriye Tutunculer

We deal with the exact solutions of Schrodinger equation characterized by position-dependent effective mass via point canonical transformations. The Morse, Poschl-Teller and Hulthen type potentials are considered respectively. With the…

Quantum Physics · Physics 2007-12-27 Metin Aktas , Ramazan Sever

We consider a free particle,V(r)=0, with position-dependent mass m(r)=1/(1+zeta^2*r^2)^2 in the d-dimensional schrodinger equation. The effective potential turns out to be a generalized Poschl-Teller potential that admits exact solution.

Quantum Physics · Physics 2007-05-23 Omar Mustafa , S. Habib Mazharimousavi

Using the coordinate transformation method, we solve the one-dimensional Schr\"{o}dinger equation with position-dependent mass(PDM). The explicit expressions for the potentials, energy eigenvalues and eigenfunctions of the systems are…

Quantum Physics · Physics 2007-05-23 Guo-Xing Ju , Chang-Ying Cai , Yang Xiang , Zhong-Zhou Ren

An algebraic method of constructing potentials for which the Schroedinger equation with position dependent mass can be solved exactly is presented. A general form of the generators of su(1,1) algebra has been employed with a unified…

Quantum Physics · Physics 2009-11-10 Ramazan Koc , Mehmet Koca

We outline a general method of obtaining exact solutions of Schroedinger equations with a position dependent effective mass. Exact solutions of several potentials including shape invariant potentials have also been obtained.

Quantum Physics · Physics 2007-05-23 B. Roy , P. Roy

An approximate method is proposed to solve position dependent mass Schr\"odinger equation. The procedure suggested here leads to the solution of the PDM Schr\"odinger equation without transforming the potential function to the mass space or…

Quantum Physics · Physics 2015-05-19 Ramazan Koc , Seda Sayin

We employ the point canonical transformation (PCT) to solve the D-dimensional Schr\"{o}dinger equation with position-dependent effective mass (PDEM) function for two molecular pseudoharmonic and modified Kratzer (Mie-type) potentials. In…

Quantum Physics · Physics 2015-05-13 Sameer M. Ikhdair , Ramazan Sever

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 study of the Schr\"{o}dinger equation with the position-dependent effective mass has attracted a lot of attention, due to its applications in many fields of physics, including the properties of the semiconductors, semiconductor…

Quantum Physics · Physics 2021-03-22 Tiberiu Harko , Man Kwong Mak

The kinetic energy operator with position-dependent-mass in cylindrical coordinates is obtained. The separability of the corresponding Schr\"odinger equation is discussed within radial cylindrical mass settings. Azimuthal symmetry is…

Quantum Physics · Physics 2010-08-31 Omar Mustafa

The consistency of the concept of quantum (quasi)particles possessing effective mass which is both position- and excitation-dependent is analyzed via simplified models. It is shown that the system may be stable even when the effective mass…

Quantum Physics · Physics 2014-02-14 Miloslav Znojil , Géza Lévai

In this paper, we propose an algorithm to construct coherent states for an exactly solvable position dependent mass Schr\"odinger equation. We use point canonical transformation method and obtain ground state eigenfunction of the position…

Quantum Physics · Physics 2010-03-16 V Chithiika Ruby , M Senthilvelan

The present paper engages in a particular attempt to acquire exact analytical eigensolutions of the position-dependent effective mass (PDEM) Schr\"odinger equation for a variety of squared style trigonometric potentials. The algebraic…

Quantum Physics · Physics 2023-01-02 Metin Aktaş

In this paper we present exact solutions of Schrodinger equation (SE) for a class of non central physical potentials within the formalism of position-dependent effective mass. The energy eigenvalues and eigenfunctions of the bound-states…

Mathematical Physics · Physics 2015-06-23 M. Chabab , A. El Batoul , M. Oulne

Exact solutions of the Schrodinger equation are obtained for the Rosen-Morse and Scarf potentials with the position-dependent effective mass by appliying a general point canonical transformation. The general form of the point canonical…

Quantum Physics · Physics 2009-11-13 Cevdet Tezcan , Ramazan Sever
‹ Prev 1 2 3 10 Next ›