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CronoDAS comments on How do you tell proto-science from pseudo-science? - Less Wrong Discussion

5 Post author: DataPacRat 27 November 2013 07:15PM

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Comment author: CronoDAS 04 December 2013 11:04:05PM 0 points [-]

And assuming Lorentz invariance gives you the Dirac equation, right?

Comment author: EHeller 05 December 2013 02:55:47PM 1 point [-]

Sadly, with lorentz invariance things get quite a bit more complicated. Adding in Lorentz invariance forces you to deal more directly with spin (and lets you prove spin-statisics), so you end up with the Klein-Gordon equation for spin 0, the Dirac equation for spin 1/2, and variants of the Maxwell equations for spin 1.

But you also get weird "paradoxical" effects trying to interpret the results of those equations along the lines of non-relativistic quantum, so you are forced to push towards full field theory.

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