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A quantum particle on a circle in a quadratic potential exhibits a spectrum that is not harmonic, despite having all algebraic properties of the quantum harmonic oscillator. This raises the question where the usual algebraic argument --…

Quantum Physics · Physics 2026-03-26 Daniel Burgarth , Paolo Facchi

We show that this problem gives rise to the same differential equation of a well known potential of ordinary quantum mechanics. However there is a subtle difference in the choice of the parameters of the hypergeometric function solving the…

High Energy Physics - Theory · Physics 2015-06-05 P. Valtancoli

We revisit the problem of the deformed oscillator with position-dependent mass [da Costa et al., J. Math. Phys. {\bf 62}, 092101 (2021)] in the classical and quantum formalisms, by introducing the effect of the mass function in both kinetic…

Quantum Physics · Physics 2023-02-07 Bruno G. da Costa , Ignacio S. Gomez , Biswanath Rath

The two-dimensional relativistic configurational $\vec r$-space is proposed and the exactly solvable finite-difference model of the harmonic oscillator in this space is constructed. The wave functions of the stationary states and the…

Mathematical Physics · Physics 2009-10-27 S. M. Nagiyev , E. I. Jafarov , M. Y. Efendiyev

By using the complete solution of the Milburn equation (beyond the Lindblad form that it is generally used) that describes intrinsic decoherence, we study the decaying dynamics of a displaced harmonic oscillator. We calculate the…

Quantum Physics · Physics 2022-04-08 Alejandro R. Urzúa , Héctor M. Moya-Cessa

This work addresses a ${\theta}(\hat{x},\hat{p})-$deformation of the harmonic oscillator in a $2D-$phase space. Specifically, it concerns a quantum mechanics of the harmonic oscillator based on a noncanonical commutation relation depending…

Mathematical Physics · Physics 2014-01-24 M. N. Hounkonnou , D. Ousmane Samary , E. Baloitcha , S. Arjika

The formalism of generalized Wigner transformations developped in a previous paper, is applied to kinetic equations of the Lindblad type for quantum harmonic oscillator models. It is first applied to an oscillator coupled to an equilibrium…

Quantum Physics · Physics 2007-05-23 C. Tzanakis , A. P. Grecos , P. Hatjimanolaki

We consider the Hamiltonian for a charged particle in a harmonic potential in the presence of a magnetic field. The most symmetric case depends on one parameter, the variation of which leads from a spectrum bounded from below to an…

Quantum Physics · Physics 2019-09-11 Francisco M. Fernández

A simple derivation of the classical solutions of a nonlinear model describing a harmonic oscillator on the sphere and the hyperbolic plane is presented in polar coordinates. These solutions are then related to those in cartesian…

Mathematical Physics · Physics 2015-05-20 C. Quesne

We analyze recent results for a harmonic oscillator in an environment with a pointlike defect. We show that the allowed oscillator frequencies predicted by the authors stem from a misinterpretation of the exact solutions of a conditionally…

Quantum Physics · Physics 2020-12-30 Francisco M. Fernández

In this paper we study some basic quantum confinement effects through investigation of a deformed harmonic oscillator algebra. We show that spatial confinement effects on a quantum harmonic oscillator can be represented by a deformation…

Quantum Physics · Physics 2011-12-13 M. Bagheri Harouni , R. Roknizadeh , M. H. Naderi

We study the features of the vacuum of the harmonic oscillator in the Moyal quantization. The vacuums with and without using the normal ordering look different. The vacuum without the normal ordering is shown to be expressed using the Weyl…

High Energy Physics - Theory · Physics 2009-11-07 Takao Koikawa

The 1-D dimension harmonic oscillator in Snyder space is investigated in its classical and quantum versions. The classical trajectory is obtained and the semiclassical quantization from the phase space trajectories is discussed. In the…

Mathematical Physics · Physics 2011-04-07 Carlos Leiva

Coherently displaced harmonic oscillator number states of a harmonically bound ion can be coupled to two internal states of the ion by a laser-induced motional sideband interaction. The internal states can subsequently be read out in a…

The three dimensional harmonic oscillator model including a cranking term is used for an energy variational calculation. Energy minima are found under variation of the three oscillator frequencies determining the shape of the system for…

Nuclear Theory · Physics 2009-11-07 W. D. Heiss , R. G. Nazmitdinov

We examine a concrete realization of the quantum Weyl algebra and expand it to first order. From here we apply the resulting algebra to a quantum harmonic oscillator in its ground state and observe how a slightly noncommutative space…

Quantum Algebra · Mathematics 2010-04-06 Clark Alexander

The two dimensional set of canonical relations giving rise to minimal uncertainties previously constructed from a q-deformed oscillator algebra is further investigated. We provide a representation for this algebra in terms of a flat…

High Energy Physics - Theory · Physics 2013-07-04 Sanjib Dey , Andreas Fring

We discuss the detailed structure of the spectrum of the Hamiltonian for the polymerized harmonic oscillator and compare it with the spectrum in the standard quantization. As we will see the non-separability of the Hilbert space implies…

General Relativity and Quantum Cosmology · Physics 2013-07-23 J. Fernando Barbero G. , Jorge Prieto , Eduardo J. S. Villaseñor

In this paper we construct the coherent and trajectory-coherent states of a damped harmonic oscillator. We investigate the properties of this states.

Quantum Physics · Physics 2008-02-03 A. G. Karavayev , Yu. O. Budayev

We study the known coherent states of a quantum harmonic oscillator from the standpoint of the original developed noncommutative integration method for linear partial differential equations. The application of the method is based on the…

Quantum Physics · Physics 2022-11-22 A. I. Breev , A. V. Shapovalov