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Journal of Nanchang University

ENERGY LEVEL WIDTH OF LINEAR OSCILLATOR IN MESOSCOPIC SYSTEM

FU Fang-zheng

Published Jan 1, 2003• 0 citations
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Abstract

Applying theory on quasi-classical particles and the uncertainty relations of Quantum Mechanics,this paper get the formula of the energy uncertainty of linear oscillator.Applying the formula into mesoscopic system,we get the energy level of linear oscillator.

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Highlights in Science Engineering and Technology•Aug 21, 2023•0 citations
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We firstly demonstrate the main ideas of quantum theory for mesoscopic electric circuits, which we proposed several years ago. In the theory, the importance of the charge discreteness in a mesoscopic electric circuit is addressed. As a further development, we discuss the mesoscopic electric circuit in the presence of linear dissipation as well as magnetic flux. We propose a quantum Kirchoff equation for the LCR circuit and discuss the oscillations for different criterion factors. We also solve the energy spectra and eigenvalues of the physical current under a soluble symmetry hypothesis.
The Schrödinger equation is a significant achievement on the development of quantum mechanics. By solving the Schrödinger equation, the fundamental behaviors and properties of a microscopic particle can be found in one- to three-dimensions. The article focuses on the derivations of quantum harmonic oscillators in one dimension by solving second order-differential equation. The wave functions, probability densities under different energy levels are presented. The results can be used to estimate different forms of continuous potential experienced by an oscillator. By calculating the uncertainty relation of the oscillator under one specific excited state, the general relation can be confirmed. Based on the output, by splitting the variables, the two-dimensional harmonic oscillator can also be derived. The degenerate energy levels are presented as . Numerical simulations are made to visualize those results and suggests the relation of energy levels and number of maxima of the probability densities.