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On the invariance of the speed of light

Gao, Shan (2012) On the invariance of the speed of light. [Preprint]

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Abstract

It has been argued that the existence of a minimum observable interval of space and time (MOIST) is a model-independent result of the combination of quantum field theory and general relativity. In this paper, I promote this result to a fundamental postulate, called the MOIST postulate. It is argued that the postulate leads to the existence of a maximum signal speed and its invariance. This new result may have two interesting implications. On the one hand, it suggests that the MOIST postulate can explain the invariance of the speed of light, and thus it might provide a deeper logical foundation for special relativity. Moreover, it suggests that the speed constant c in modern physics is not the actual speed of light in vacuum, but the ratio of the minimum observable length to the minimum observable time interval. On the other hand, the result also suggests that the existing experiments confirming the invariance of the speed of light already provide observational evidence to support the MOIST postulate.


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Item Type: Preprint
Creators:
CreatorsEmailORCID
Gao, Shansgao7319@uni.sydney.edu.au
Keywords: speed of light; special relativity; minimum observable interval of space and time (MOIST); relativity without light; discrete space-time
Subjects: Specific Sciences > Physics > Relativity Theory
Specific Sciences > Physics > Symmetries/Invariances
Depositing User: Mr. Shan Gao
Date Deposited: 16 Nov 2012 23:26
Last Modified: 16 Nov 2012 23:26
Item ID: 9448
URI: http://philsci-archive.pitt.edu/id/eprint/9448

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