Explanation of Superluminal Phenomena Based on Wave-Particle Duality and Proposed Optical Experiments

Fuente: arXiv
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Main Author: Zhao, Hai-Long
Format: Preprint
Published: 2014
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author Zhao, Hai-Long
author_facet Zhao, Hai-Long
contents An explanation for superluminal phenomena based on wave-particle duality of photons is suggested. A single photon may be regarded as a wave packet, whose spatial extension is its coherence volume. As a photon propagates as a wave train in vacuum, its velocity is just the speed of light. When it tunnels through a barrier as a particle, its wave function collapses and it will travel faster than light. Superluminal motion can occur only within the coherence length and the time constrained by uncertainty principle. A massive particle cannot be superluminal during the tunneling process. So superluminality does not violate causality. As for the superluminal and negative group velocities in anomalously dispersive medium, they are merely reshaping effect of the pulse, and they will become subluminal at large distances. A couple of experiments are proposed to test the superluminal phenomena.
format Preprint
id arxiv_https___arxiv_org_abs_1405_3364
institution arXiv
publishDate 2014
record_format arxiv
spellingShingle Explanation of Superluminal Phenomena Based on Wave-Particle Duality and Proposed Optical Experiments
Zhao, Hai-Long
Quantum Physics
Optics
An explanation for superluminal phenomena based on wave-particle duality of photons is suggested. A single photon may be regarded as a wave packet, whose spatial extension is its coherence volume. As a photon propagates as a wave train in vacuum, its velocity is just the speed of light. When it tunnels through a barrier as a particle, its wave function collapses and it will travel faster than light. Superluminal motion can occur only within the coherence length and the time constrained by uncertainty principle. A massive particle cannot be superluminal during the tunneling process. So superluminality does not violate causality. As for the superluminal and negative group velocities in anomalously dispersive medium, they are merely reshaping effect of the pulse, and they will become subluminal at large distances. A couple of experiments are proposed to test the superluminal phenomena.
title Explanation of Superluminal Phenomena Based on Wave-Particle Duality and Proposed Optical Experiments
topic Quantum Physics
Optics
url https://arxiv.org/abs/1405.3364