能量作为时间流逝的量度
Energy as a measure for the elapse of time
摘要:
不同高度或不同速度的钟以不同的速度运行。对于全球定位系统来说,这些影响太大了,不能忽视。然而,在经典力学和量子力学中,我们使用“通用”时间尺度获得高精度,而不依赖于高度和速度。有人可能会问这怎么可能。这个问题的答案可以从观察中得到:在经典力学和量子力学中,时间和能量是正则共轭变量。我们认为,上述相对论效应的时间尺度的修改考虑到能量的概念。根据实验结果和狭义相对论定律,我们认为我们应该考虑能量作为时间流逝的度量。
英文摘要:
Clocks in different heights or with different velocities run with different speeds. For global positioning systems these effects are much too large to be ignored. Nevertheless, in classical and quantum mechanics we get high accuracy using a "universal" time scale, not depending on altitudes and velocities. One may ask how this is possible. The answer to this question we may get from the observation that in classical and quantum mechanics time and energy are canonically conjugate variables. We argue that the mentioned modifications of the time scale by relativistic effects are taken into account in the notion of energy. On the basis of the experimental results and the laws of special relativity we argue that we should consider energy as measure for the elapse of time.
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