February 22, 2017

Homework Help: Quantum Physics

Posted by qwerty on Sunday, February 17, 2013 at 4:18pm.

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?

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