On the two-dimensional time-dependent anisotropic harmonic oscillator in a magnetic field

Abstract

A Charged harmonic oscillator in a magnetic field, Landau problems, and an oscillator in a noncommutative space, share the same mathematical structure in their Hamiltonians. We have considered a two-dimensional anisotropic harmonic oscillator (AHO) with arbitrarily time-dependent parameters (effective mass and frequencies), placed in an arbitrarily time-dependent magnetic field. A class of quadratic invariant operators (in the sense of Lewis and Riesenfeld) have been constructed. The invariant operators ($\hat{\mathcal{I}}$) have been reduced to a simplified representative form by a linear canonical transformation (the group $Sp(4,\mathbb{R})$). An orthonormal basis of the Hilbert space consisting of the eigenvectors of $\hat{\mathcal{I}}$ is obtained. In order to obtain the solutions of the time-dependent Schrödinger equation corresponding to the system, both the geometric and dynamical phase-factors are constructed. Peres-Horodecki Separability Criterion for the bipartite coherent states corresponding to our system has been demonstrated.

arXiv admin note: text overlap with arXiv:2206.10599

References in corpus (4)

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• Gaussian quantum marginal problem
• Noncommutative spaces, the quantum of time and the Lorentz symmetry
• Energy corrections due to the noncommutative phase-space of the charged isotropic harmonic oscillator in a uniform magnetic field in 3D

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