Re: Quantum Weirdness

From: Mikko Särelä (msarela@cc.hut.fi)
Date: Mon Dec 13 2004 - 10:08:59 MST


On Sun, 12 Dec 2004, Mark Waser (home) wrote:
> > I have a degree in physics, and I can tell you that there is no
> > *observable* difference between many-worlds and any other
> > interpretation. As far as I know, the only thing that we can observe a
> > difference between is local hidden variable theories and quantum
> > mechanics. Google: "Bell's inequality"
>
> Not true. The many-worlds interpretation states that the waveform collapses
> upon observation and, at that point, splits into a different world for each
> possible observation. If many-worlds were true, it should not be possible to
> observe simultaneously wave and particle behavior since by the time you
> observe particle behavior, the waveform has collapsed. Recently, I read an
> article (which, unfortunately, I can't track down at the moment) where someone
> claimed to have devised and performed an experiment (single-photon, I believe)
> where he was able to simultaneously see wave and particle behavior. If true,
> this would clearly disprove the many-worlds interpretation without, to my
> knowledge, calling anything else in quantum physics into question.

Here's the article

http://www.irims.org/quant-ph/030503/Afshar%20Complementarity%20All.PDF

-- 
Mikko Särelä
     "I too don't really find Monty Python all that exciting, but don't
      tell anyone I said that." Anonymous
		


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