Avoiding Barren Plateaus Using Classical Shadows
Stefan H. Sack, Raimel A. Medina, Alexios A. Michailidis, Richard Kueng, Maksym Serbyn · PRX Quantum · 2022
Variational quantum algorithms are augmented by an additional subroutine that efficiently detects signatures of barren plateaus -- unfavorable parameter regions that prevent optimization due to vanishing gradients.