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The exact solvability and impressive pedagogical implementation of the harmonic oscillator creation and annihilation operators make it a problem of great physical relevance and the most fundamental one in quantum mechanics. So would be the…

Quantum Physics · Physics 2020-03-20 Omar Mustafa

We recycle Cruz et al.'s (Phys. Lett. A 369 (2007) 400) work on the classical and quantum position-dependent mass (PDM) oscillators. To elaborate on the ordering ambiguity, we properly amend some of the results reported in their work and…

Quantum Physics · Physics 2013-02-25 Omar Mustafa

In the present paper we examine in a systematic way the most relevant orderings of pure kinetic Hamiltonians for five different position-dependent mass (PDM) profiles: soliton-like, reciprocal quadratic and biquadratic, exponential and…

Quantum Physics · Physics 2023-03-07 R. M. Lima , H. R. Christiansen

Ordering ambiguity associated with the von Roos position dependent mass (PDM) Hamiltonian is considered. An affine locally scaled first order differential introduced, in Eq.(9), as a PDM-pseudo-momentum operator. Upon intertwining our…

Quantum Physics · Physics 2009-11-13 Omar Mustafa , S. Habib Mazharimousavi

An inhomogeneous Kaluza-Klein compactification to four dimensions, followed by a conformal transformation, results in a system with position dependent mass (PDM). This origin of a PDM is quite different from the condensed matter one. A…

Quantum Physics · Physics 2015-10-29 J. R. Morris

Within the standard Lagrangian and Hamiltonian setting, we consider a position-dependent mass (PDM) classical particle performing a damped driven oscillatory (DDO) motion under the influence of a conservative harmonic oscillator force field…

General Physics · Physics 2021-09-01 Omar Mustafa

We consider canonically conjugated generalized space and linear momentum operators $\hat{x}_q$ and $ \hat{p}_q$ in quantum mechanics, associated to a generalized translation operator which produces infinitesimal deformed displacements…

Quantum Physics · Physics 2018-05-09 Bruno G. da Costa , Ernesto P. Borges

Revisiting the issue associated with Position-Dependent Mass (PDM), we reaffirm that the appropriate framework for addressing a generic PDM is the symmetrization proposed by BenDaniel and Duke. To accomplish this result adopts the effective…

Quantum Physics · Physics 2025-01-09 F. C. E. Lima , F. M. Belchior , C. A. S. Almeida

The quantization of systems with a position dependent mass (PDM) is studied. We present a method that starts with the study of the existence of Killing vector fields for the PDM geodesic motion (Lagrangian with a PDM kinetic term but…

Mathematical Physics · Physics 2017-11-22 José F. Cariñena , Manuel F. Rañada , Mariano Santander

Classical mechanics (CM), like quantum mechanics (QM), can have an operatorial formulation. This was pioneered by Koopman and von Neumann (KvN) in the 30's. They basically formalized, via the introduction of a classical Hilbert space,…

Quantum Physics · Physics 2009-11-07 E. Gozzi , D. Mauro

Noncommutivity of position and momentum makes it difficult to formulate the unambiguous structure of the kinetic part of Hamiltonian for the position-dependent effective mass (PDEM). Various existing proposals of writing the viable kinetic…

General Physics · Physics 2020-06-05 Kalpana Biswas , Jyoti Prasad Saha , Pinaki Patra

We consider the problem of removal of ordering ambiguity in position dependent mass quantum systems characterized by a generalized position dependent mass Hamiltonian which generalizes a number of Hermitian as well as non-Hermitian ordered…

Quantum Physics · Physics 2015-06-23 V. Chithiika Ruby , V. K. Chandrasekar , M Senthilvelan , M. Lakshmanan

Two generalizations of Kempf's quadratic canonical commutation relation in one dimension are considered. The first one is the most general quadratic commutation relation. The corresponding nonzero minimal uncertainties in position and…

Quantum Physics · Physics 2008-12-19 Christiane Quesne , Volodymyr M. Tkachuk

We explore the quantization of classical models with position-dependent mass (PDM) terms constrained to a bounded interval in the canonical position. This is achieved through the Weyl-Heisenberg covariant integral quantization by properly…

Quantum Physics · Physics 2020-12-30 Jean-Pierre Gazeau , Véronique Hussin , James Moran , Kevin Zelaya

By means of the unitary transformation, a new way for discussing the ordering prescription of Schrodinger equation with a position-dependent mass (PDM) for isospectral Hamiltonian operators is presented. We show that the ambiguity parameter…

Mathematical Physics · Physics 2017-06-28 Sid-Ahmed Yahiaoui , Mustapha Bentaiba

Lewis-Riesenfeld -Ermakov's (LR) invariant method for the construction of time-dependent phase-space invariant is extended for the general quantum system with position-dependent effective mass (PDEM) Hamiltonian. It turns out that, only a…

Quantum Physics · Physics 2020-05-18 Kalpana Biswas , Jyoti Prasad Saha , Pinaki Patra

In this note we address the exact solutions of a time-dependent Hamiltonian composed by an oscillator-like interaction with both a frequency and a mass term that depend on time. The latter is achieved by constructing the appropriate point…

Quantum Physics · Physics 2020-02-26 Kevin Zelaya , Véronique Hussin

On using the known equivalence between the presence of a position-dependent mass (PDM) in the Schr\"odinger equation and a deformation of the canonical commutation relations, a method based on deformed shape invariance has recently been…

Mathematical Physics · Physics 2009-04-15 Christiane Quesne

We consider the modified Emden equation (MEE) and introduce its most general solution, using the most general solution for the simple harmonic oscillator's linear dynamical equation (i.e., the initial conditions shall be identified by the…

Classical Physics · Physics 2023-11-06 Omar Mustafa

We present the quantum and classical mechanics formalisms for a particle with position-dependent mass in the context of a deformed algebraic structure (named $\kappa$-algebra), motivated by the Kappa-statistics. From this structure we…

Quantum Physics · Physics 2020-07-23 Bruno G. da Costa , Ignacio S. Gomez , Mariela Portesi
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