时间的概念化和光速的恒定性
The conceptualization of time and the constancy of the speed of light
摘要:
在这项工作中,我们表明真空中的迈克耳孙-莫雷实验的零结果与时间的概念有着深刻的联系。它可以不需要任何数学推导,只从假设所有好的时钟都可以用来测量时间,并得到相同的结果,而与制造它们的机器无关。第二个重要的假设,是时间概念本身固有的,是时钟在不同的框架中以相同的方式测量时间,即,时间的概念在所有惯性系中都是一样的。在这个假设下,我们指出,在真空中的“双向”光速在所有帧独立于发射体的运动状态的恒定性的“公设”也与时间的概念密切相关,以及在“静止帧”中的极限速度的存在。这一假设简单地源于时钟的构造,其中滴答声是由以极限速度运动的物体产生的。
英文摘要:
In this work we show that the null result of the Michelson-Morley experiment in vacuum is deeply connected with the notion of time. It can be deduced without any mathematics only from the assumption that all good clocks can be used to measure time with the same results, independently of the machinery involved in their manufacturing. A second important assumption, intrinsic to the very notion of time, is that clocks measure time in the same way in different frames, i.e., the notion of time is the same in all inertial frames. Under this assumption, we point out that the "postulate" of constancy of the "two-way" speed of light in vacuum in all frames independently of the state of motion of the emitting body is also strongly related to the concept of time, together with the existence of a limit speed in the "rest frame". This postulate simply results from the construction of clocks where tic-tacs are made by objects traveling with the limit speed.
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