A measured spin is still a Qbit

  • #1
Gary Venter
15
3
TL;DR Summary
A Qbit with up probability 1 - (10^-75) would most likely still produce a reading of up, and an up reading does not mean that the up probability is 1.0 to billions of decimal places.
A Qbit with up probability 1 - (10^-75) would most likely still produce a reading of up, so an up reading does not mean that the up probability is 1.0 to millions of decimal places.

The spin detector is a physical device made of atoms. None of its surfaces are pure mathematical planes or lines. Just because it has oriented a particle in the x-direction in a way to produce a reading of up does not mean that it is oriented exactly in that direction with zero uncertainty or has stopped having Qbit spin.
 
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  • #3
Those are words. What they mean put together like this I cannot fathom.
 
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Likes Vanadium 50
  • #4
As Monty Python said "It's not just the total number of words. Getting them in the right order is almost as important."
 
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