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QC is very fast random generator attached to physical quantum network, which performs calculation. Network is designed in such way, that an end state of the net
by drran 5y ago
QC is very fast random generator attached to physical quantum network, which performs calculation. Network is designed in such way, that an end state of the network is a solution to a problem. When you sample the network, you can sample it in a right moment and see the solution.
For small problems, it's work flawlessly, e.g. when you need to find an odd number, the network will be in solution state 99,99999999999999% of the time.
However, large networks are loosing their quantum properties very fast. Large objects have no properties of quantum objects — this is the corner stone of QM. The network can lose solution faster than it can find it, so when you sample, most of samples contains no solution to the problem, so you need to be lucky.
Currently, QC math doesn't account this, so we have a "measurement problem", because physical reality doesn't match math abstraction, but mathematicians don't want to adjust their formulas.
If you want to develop intuition, just look at reproduction of double slit experiment in macro[0]. It's just self-interference.
BTW: If you have resources, can I ask you to help to reproduce Stern–Gerlach experiment in macro? We need fresh blood (and money for experiments).
[0]: https://www.youtube.com/watch?v=nsaUX48t0w8 https://www.youtube.com/watch?v=nsaUX48t0w8