Several“Pythagorean theorems”in special relativity

ZHOU Guo-quan

doi:10.16854 /j.cnki.1000-0712.190395

College Physics >

2020 , Vol. 39 >Issue 05: 10 - 13

DOI: https://doi.org/10.16854 /j.cnki.1000-0712.190395

Several“Pythagorean theorems”in special relativity

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School of Physics and Technology，Wuhan University，Wuhan，Hubei 430072，China

Received date: 2019-08-30

Revised date: 2019-12-12

Online published: 2020-05-17

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Abstract

Some teaching experiences about electrodynamics and special relativity are summarized. Several relativistic

invariants and“Pythagorean theorems”in special relativity are derived by means of the tensor theory in

four - dimensional Minkowski space and the contraction operation rules of these tensors. Meanwhile， some

application examples are given in illustration of these formulae.

Key words： special relativity; tensor; relativistic invariant; Pythagorean theorem; four - dimensional Minkowski space; Lorentz transformation

Cite this article

ZHOU Guo-quan . Several“Pythagorean theorems”in special relativity[J]. College Physics, 2020 , 39(05) : 10 -13 . DOI: 10.16854 /j.cnki.1000-0712.190395

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