2. What is the action of the following operator on a 2-qubit state? U AB =...

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2. What is the action of the following operator on a 2-qubit state? U AB = 1 A B (II+XX+YY+ZZ) 3. What is the effect of the following sequence of operations acting on 2 qubits? C12H2HZY2Z1Y2C12HH H and Hare Hadamard gates, and X,Y,Z, are Pauli gates and Cis the CNOT gate. 2. What is the action of the following operator on a 2-qubit state? U AB = 1 A B (II+XX+YY+ZZ) 3. What is the effect of the following sequence of operations acting on 2 qubits? C12H2HZY2Z1Y2C12HH H and Hare Hadamard gates, and X,Y,Z, are Pauli gates and Cis the CNOT gate.

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1 The operator UAB acts on a 2qubit state as follows UAB IALB XAXB YAY ZAZB Here represents an arbit... View the full answer