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'Genuine Decoherence' and Macroscopic Superposition 
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#1
Mar1012, 10:26 PM

PF Gold
P: 800

By 'Genuine Decoherence'  I mean collapse of the wave function by a theory and its mathematical equations.
If a micro system encounters a macroscopic apparatus  in collapse theories a definite state appears for both the apparatus and system, but after a tiny time since the system entangled with the apparatus. For genuine decoherence to occur and be predicted in a future theory, does it need to allow macroscopic superpositions (even if they last for a short time)? Of course we can keep current QM formalism and have hidden variables to remove the measurement problem. 


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