没有眼泪的相对论
Relativity without tears
摘要:
狭义相对论不再是一个新的革命性理论,而是现代物理学牢固确立的基石。然而,狭义相对论的教学仍然遵循其历史展开的介绍,试图说服这一教学的观众,牛顿物理学是自然的,但不正确的,狭义相对论是它的矛盾,但正确的修正。我在这篇文章中主张在相对论的教学中采用逻辑的而不是历史的趋势,并且认为狭义相对论既不是矛盾的,也不是正确的(在19世纪的绝对意义上),而是对我们周围的真实时空的最自然和最令人期待的描述,对于所有的实际目的都是有效的。这最后一种情况构成了现代物理学的一个深奥的谜团,也就是人们所熟知的宇宙学常数问题。
英文摘要:
Special relativity is no longer a new revolutionary theory but a firmly established cornerstone of modern physics. The teaching of special relativity, however, still follows its presentation as it unfolded historically, trying to convince the audience of this teaching that Newtonian physics is natural but incorrect and special relativity is its paradoxical but correct amendment. I argue in this article in favor of logical instead of historical trend in teaching of relativity and that special relativity is neither paradoxical nor correct (in the absolute sense of the nineteenth century) but the most natural and expected description of the real space-time around us valid for all practical purposes. This last circumstance constitutes a profound mystery of modern physics better known as the cosmological constant problem.
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