Alexandr
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Guys,
I'm stuck with a simple and stupid question...
We have a spin "up" and "down" as a qubit 1 and 0 states.
Now can we consider a state perpendicular to this basis direction as a (0+1)/sqrt(2) state?
If not then what is the sense of the phase shift x in the state (0+exp(ix)1)/sqrt(2)?
I'm stuck with a simple and stupid question...
We have a spin "up" and "down" as a qubit 1 and 0 states.
Now can we consider a state perpendicular to this basis direction as a (0+1)/sqrt(2) state?
If not then what is the sense of the phase shift x in the state (0+exp(ix)1)/sqrt(2)?