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From: DAM%MIT-OZ@MIT-MC.ARPA
Newsgroups: net.physics
Subject: Quantum Mechanics
Message-ID: <396@sri-arpa.ARPA>
Date: Mon, 15-Jul-85 12:12:00 EDT
Article-I.D.: sri-arpa.396
Posted: Mon Jul 15 12:12:00 1985
Date-Received: Wed, 17-Jul-85 20:55:45 EDT
Lines: 12


	I had heard that the multiple worlds view is
experimentally indistinguishible from the Copenhagen interpretation.
But the problem with probability being square amplitude
still bothers me.  I will read Hugh Everitt's article again more
carefully and see if I can figure out how he solves the problem.

	The non-linear nature of probability seems (to me) to
be a problem.  Consider a wave function which is the sum of two
"worlds" w1 and w2.  The non-linearity of probability seems to
imply that the likelyhood of a given experimental outcome performed
in w1 depends on w2:  w1 and w2 are not really independent.