Perturbative relativistic modifications to wave-packet dynamics and uncertainty relations in the quantum harmonic oscillator
Abstract
We analyze relativistic corrections to the wave-packet dynamics of the quantum harmonic oscillator within a perturbative framework. General expressions are derived for the leading-order relativistic contributions to the wave-packet parameters such as the average position, width and the uncertainty relations. For Gaussian wave packets, these corrections admit closed-form analytic expressions at order . When applied to electron wave packets, the results indicate that relativistic effects become non-negligible in the keV scale harmonic confinement energies -- the uncertainty relationship deviation reaches 0.1% to 1% for an electron wave-packet moving at 15% speed of light and confined within 1-10 keV energy range which might be experimentally verifiable.
Keywords
Cite
@article{arxiv.2603.07954,
title = {Perturbative relativistic modifications to wave-packet dynamics and uncertainty relations in the quantum harmonic oscillator},
author = {Jian Carlo Ramos and Sujoy K. Modak},
journal= {arXiv preprint arXiv:2603.07954},
year = {2026}
}
Comments
22 pages, no figures