Article
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A Simple Quantum Picture of the Relativistic Doppler Effect
Version 1
: Received: 4 January 2024 / Approved: 4 January 2024 / Online: 5 January 2024 (09:31:41 CET)
A peer-reviewed article of this Preprint also exists.
Hodgson, D.; Kanzi, S.; Beige, A. A Simple Quantum Picture of the Relativistic Doppler Effect. Symmetry 2024, 16, 279. Hodgson, D.; Kanzi, S.; Beige, A. A Simple Quantum Picture of the Relativistic Doppler Effect. Symmetry 2024, 16, 279.
Abstract
The relativistic Doppler effect comes from the fact that observers in different inertial reference frames experience space and time differently, while the speed of light remains always the same. Consequently, a wave packet of light exhibits different frequencies, wavelengths, and amplitudes. In this paper, we present a local approach to the relativistic Doppler effect based on relativity, spatial and time translational symmetries, and energy conservation. Afterward, we investigate the implications of the relativistic Doppler effect for the quantum state transformations of wave packets of light and show that a local photon is a local photon at the same point in the spacetime diagram in all inertial frames.
Keywords
relativistic quantum information; quantum electrodynamics; quantum photonics
Subject
Physical Sciences, Optics and Photonics
Copyright: This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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