A two-CNOT swap-like gate is introduced whose transpiled version has lower gate count and depth than the standard three-CNOT SWAP, at the cost of user-selected phase distortions.
Superposition States on Different Axes of the Bloch Sphere for Cost-Effective Circuits Realization on IBM Quantum Computers
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abstract
A proposed method for preparing the superposition states of qubits using different axes of the Bloch sphere. This method utilizes the Y-axis of the Bloch sphere using IBM native (square root of X) gates, instead of utilizing the X-axis of the Bloch sphere using IBM non-native Hadamard gates, for transpiling cost-effective quantum circuits on IBM quantum computers. In this paper, our presented method ensures that the final transpiled quantum circuits always have a lower quantum cost than that of the transpiled quantum circuits using the Hadamard gates.
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A Cost-Effective Quantum Boolean-Phase SWAP Gate with Only Two CNOT Gates
A two-CNOT swap-like gate is introduced whose transpiled version has lower gate count and depth than the standard three-CNOT SWAP, at the cost of user-selected phase distortions.