An initialization strategy for addressing barren plateaus in parametrized quantum circuits

  title={An initialization strategy for addressing barren plateaus in parametrized quantum circuits},
  author={E. Grant and L. Wossnig and M. Ostaszewski and M. Benedetti},
  journal={arXiv: Quantum Physics},
Parametrized quantum circuits initialized with random initial parameter values are characterized by barren plateaus where the gradient becomes exponentially small in the number of qubits. In this technical note we theoretically motivate and empirically validate an initialization strategy which can resolve the barren plateau problem for practical applications. The technique involves randomly selecting some of the initial parameter values, then choosing the remaining values so that the circuit is… Expand
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