Asked by qwerty
Suppose we have two qubits in the state α|00⟩+β|11⟩.
(a) If we measure the fi rst qubit in the sign basis, what is the probability of seeing a +?
(b) What is the resulting state of the second qubit in that case?
(a) If we measure the fi rst qubit in the sign basis, what is the probability of seeing a +?
(b) What is the resulting state of the second qubit in that case?
Answers
Answered by
Anonymous
a) 1/2
b)a,b
b)a,b
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