Grover recently presented the fixed-point search algorithm. In this letter, we study the fixed-point search algorithm obtained by replacing equal phase shifts of π/3 by different phase shifts.
@article{arxiv.quant-ph/0604062,
title = {Fixed-point Quantum Search for Different Phase Shifts},
author = {D. Li and X. Li and H. Huang and X. Li},
journal= {arXiv preprint arXiv:quant-ph/0604062},
year = {2012}
}