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Error Propagation in NISQ Devices for Solving Classical Optimization Problems
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DOI：10.1103/PRXQuantum.3.040326.png)
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Abstract
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We propose a random circuit model that attempts to capture the behavior of noisy intermediate-scale quantum devices when used for variationally solving classical optimization problems. Our model accounts for the propagation of arbitrary single-qubit errors through the circuit. We find that, even with a small noise rate, the quality of the obtained optima implies that a single-qubit error rate of 1/(nD) (where n is the number of qubits and D is the circuit depth) is needed for the possibility of a quantum advantage. We estimate that this translates to an error rate lower than 10-6 using the quantum approximate optimization algorithm for classical optimization problems with two-dimensional circuits.
Keywords:
QUANTUM SUPREMACY
CUT
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11
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919
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NATURE COMMUNICATIONS
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NATURE COMMUNICATIONSIF15.7
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