How did Lorentz find his theorem of corresponding states?

Michel Janssen

Research output: Contribution to journalArticlepeer-review

Abstract

I offer a reconstruction of how Lorentz found his theorem of corresponding states or, in modern terms, the Lorentz invariance of the source-free Maxwell equations. I show that, to arrive at Lorentz's theorem, both the approximate version of 1895 and the exact version of 1899/1904, Lorentz had to do little more than regroup terms and repeatedly apply the chain rule of differentiation. My reconstruction should thus help dispel the aura of complexity that still surrounds the theorem. I also show how the theorem can be extended to Maxwell's equations with sources and briefly review how Lorentz, after 1905, went from considering Lorentz-transformed quantities purely as auxiliary variables to recognizing them as the measured quantities for moving observers.

Original languageEnglish (US)
Pages (from-to)167-175
Number of pages9
JournalStudies in History and Philosophy of Science Part B - Studies in History and Philosophy of Modern Physics
Volume67
DOIs
StatePublished - Aug 2019

Bibliographical note

Publisher Copyright:
© 2017 Elsevier Ltd

Copyright:
Copyright 2019 Elsevier B.V., All rights reserved.

Keywords

  • Local time
  • Lorentz invariance
  • Special relativity
  • Theorem of corresponding states

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