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Quantum Physics

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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?

  • Quantum Physics -

    a) 1/2
    b)a,b

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