Grognor comments on Ask an experimental physicist - Less Wrong

35 Post author: RolfAndreassen 08 June 2012 11:43PM

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Comment author: witzvo 10 June 2012 05:43:06AM *  1 point [-]

When I hear the phrase "many worlds interpretation," I cringe. This is not because I know something about the science (I know nothing about the science), it's because of confusing things I've heard in science popularizations. This reaction has kept me from reading Eliezer's sequence thus far, but I pledge to give it a fair shot soon.

Above you gave me a substitute phrase to use when I hear "observation." Is there a similar substitute phrase to use for MWI? Should I, for example, think "probability distribution over a Hilbert space" when I hear "many worlds", or is it something else?

Edit: Generally, can anyone suggest a lexicon that translates QM terminology into probability terminology?

Comment author: Grognor 10 June 2012 06:39:06PM 5 points [-]

You could go with what Everett wanted to call it in the first place, the relative state interpretation.

To answer your "Edit" question, no, the relative state interpretation does not include probabilities as fundamental.

Comment author: witzvo 10 June 2012 08:16:10PM *  2 points [-]

You could go with what Everett wanted to call it in the first place, the relative state interpretation.

Thanks! Getting back to original sources has always been good for me. Is that "Relative state" formulation of quantum mechanics?