3. Build a "triple-controlled NOT" gate out of Toffoli gates, using one or more work qubits. That is, the gate should negate the output qubit when all three input qubits are in state |1), and do nothing otherwise. Remember that the work qubits should start and end in state |0). 4. Design circuits to create each of the other Bell states |-), |V4), |V_), starting from the standard input |00). 5. Design a two-qubit circuit to prepare the state cos e |00) + sin 0|11) from the standard

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
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3. Build a "triple-controlled NOT" gate out of Toffoli gates, using one or more work qubits.
That is, the gate should negate the output qubit when all three input qubits are in state
|1), and do nothing otherwise. Remember that the work qubits should start and end in
state |0).
4. Design circuits to create each of the other Bell states |_), |V4), |V_), starting from
the standard input |00).
5. Design a two-qubit circuit to prepare the state cos 0 |00) + sin 0|11) from the standard
Transcribed Image Text:3. Build a "triple-controlled NOT" gate out of Toffoli gates, using one or more work qubits. That is, the gate should negate the output qubit when all three input qubits are in state |1), and do nothing otherwise. Remember that the work qubits should start and end in state |0). 4. Design circuits to create each of the other Bell states |_), |V4), |V_), starting from the standard input |00). 5. Design a two-qubit circuit to prepare the state cos 0 |00) + sin 0|11) from the standard
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