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Technically, you could do away with i entirely in QM and not lose generality. But then you'd be stuck with 4th order differential equations. At least that's what one of our Optics profs claimed. I never checked myself, because you do not want to do 4th order PDEs anyway, unless you're a mathmatician or some (other) kind of masochist.

- Jake

Friends come and go. Enemies accumulate.

by JakeS (JangoSierra 'at' gmail 'dot' com) on Tue Mar 25th, 2008 at 02:41:11 PM EST
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