Homework Help: Quantum Physics

Posted by qwerty on Sunday, February 24, 2013 at 8:34pm.

Alice and Bob share a state a|++> + b|-->, where the first qubit is Alice's and the second qubit is Bob's. Alice measures her qubit in the standard basis and sends the measurement
outcome to Bob. If Bob wants his qubit in a|+> + b|->, what gate does he apply in the following two cases? Choose your answer from I,X,Z,H.

Alice's outcome is 0:

Alice's outcome is 1:

Quantum Physics - helper, Tuesday, February 26, 2013 at 2:05am
I
X
Quantum Physics - Poo, Friday, March 15, 2013 at 2:31pm
Wrongggg
Quantum Physics - helpman, Saturday, March 16, 2013 at 7:24am
Alice's outcome is 0: H

Alice's outcome is 1: X,H

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