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From: brooks@lll-crg.ARPA
Newsgroups: net.physics
Subject: Re: Re: quantum theory and measurement
Message-ID: <639@lll-crg.ARPA>
Date: Tue, 11-Jun-85 23:55:10 EDT
Article-I.D.: lll-crg.639
Posted: Tue Jun 11 23:55:10 1985
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>...         To my mind, there are equally severe problems:
> 	(a)  Quantum theory is inherently linear; interactions aren't.
One of the favorite techniques of solving problems is to linearize,
ie apply perturbation theory, the theory itself has all the nonlinearities
of any interaction being studied.  Any one actually solved QCD lately.


> I thought that quantum theory was a special case of Schrodinger "Wave"
> Theory.  The Wave Theory is nonlinear, isn't it?
Its actually the other way around, Schrodinger Wave theory is a special case
of quantum theory.