Exact quantum search based on analytical multiphase matching for known number of target items and the experimental demonstration on IBM Q

Tan Li, Xiang-Qun Fu, Yang Wang +4

In [Phys. Rev. Lett. 113, 210501 (2014)], to achieve the optimal fixed-point quantum search in the case of unknown fraction (denoted by $\lambda$) of target items, the analytical multiph…