基础物理中的时间
Time in Fundamental Physics
摘要:
本文的前三个部分概括了基础物理学中时间概念的深刻变化,这些变化是由三次革命带来的:牛顿在《原理》中提炼出的力学基础,爱因斯坦发现的狭义相对论和闵可夫斯基对其的重新表述,最后是爱因斯坦的广义相对论中几何和引力的融合。第四部分讨论了另一个深刻修正的两个方面,当我们试图统一广义相对论和量子物理学时,这个修正就在我们的翅膀上。
英文摘要:
The first three sections of this article contain a broad brush summary of the profound changes in the notion of time in fundamental physics that were brought about by three revolutions: the foundations of mechanics distilled by Newton in his Principia, the discovery of special relativity by Einstein and its reformulation by Minkowski, and, finally, the fusion of geometry and gravity in Einstein's general relativity. The fourth section discusses two aspects of yet another deep revision that waits in the wings as we attempt to unify general relativity with quantum physics.
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