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Electron double slit experiment in bubble chamber 
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#1
Oct3008, 11:15 AM

P: 26

We will not get an interference right?
Why? Because the electron interacts with the system? Or the "measurement" forces the wave function to collapse? What if we put a black cloth on the chamber and only see the photographic film? What if we place the chamber before the slits. What if we bring it infinitesimally close to the slits? What if we place the chamber after the slits? 


#2
Nov108, 12:53 AM

P: 4,513

You know, the bubble really aren't there until you look at them, right?



#3
Nov108, 08:03 AM

P: 122

The real problem is not finding a way to perform a which way experiment, this has already been done by Afshar (www.irims.org/quantph/030503/  see also New Scientist article July 24 2004 issue). The problem is that the QM formalism's ontological duplicity makes it almost impossible to get a clear interpretation. The interpretation from a real physical perspective is clear! But QM allows for nonphysical perspectives such as TI, MWI, Copenhagen. Once one takes any one of these perspectives which remove physicality and locality to the photon or electron particle (i.e no longer a localized particle with a localized radius and a real path in space and time, but a mathematical spread out over space wavelike emorphous entitiy with whatever properties one choses like the ability to be both dead and alive at the same time), they all can accomodate themselves to any experiment. 


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