关于单向光速的实验测定
On the experimental determination of the one-way speed of light
摘要:
在这方面的贡献问题的各向同性的单向光速从实验的角度来解决。特别是,我们分析了两种常用的实验方法在其测定。分析的目的是澄清这样一种观点,即光的单向速度不能通过物理实体关闭路径的技术来确定。这里采用的方法将提供认识论的工具,使物理学家明白,不仅直接测量光速,而且直接测量任何物理实体的速度都绝非易事。我们的研究结果揭示了实验背后的物理学,这可能会引起具有狭义相对论基本知识的物理学家和科学哲学家的兴趣。
英文摘要:
In this contribution the question of the isotropy of the one-way speed of light from an experimental perspective is addressed. In particular, we analyze two experimental methods commonly used in its determination. The analysis is aimed at clarifying the view that the one-way speed of light cannot be determined by techniques in which physical entities close paths. The procedure employed here will provide epistemological tools such that physicists understand that a direct measurement of the speed not only of light but of any physical entity is by no means trivial. Our results shed light on the physics behind the experiments which may be of interest for both physicists with an elemental knowledge in special relativity and philosophers of science.
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