Benchmarking noise with Quantum alternating operator ansatz (QAOA) circuits with a symmetry
Bulletin of the American Physical Society(2020)
摘要
S17. 00011: Benchmarking noise with Quantum alternating operator ansatz (QAOA) circuits with a symmetry*AbstractPresenter:Zhihui Wang(Quantum AI Lab, USRA; NASA Ames Research Center)Authors:Zhihui Wang(Quantum AI Lab, USRA; NASA Ames Research Center)Michael Streif(Quantum AI Lab, USRA; NASA Ames Research Center)Eleanor Rieffel(Quantum AI Lab, NASA Ames Research Center)QAOA as a quantum heuristic algorithm has attracted a lot of interest with its simple iterative structure. We propose adapting a symmetry-preserving QAOA circuit for benchmarking noise. Consider the system consisting of a number of subsets of qubits, we design the QAOA such that it preserves certain quantity of the subsets (eg, a constant Hamming weight). When errors are present, the evolution will quickly escape from the preserved subspace. We study how this escaping rate scales with the iteration of the …
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