We construct efficient quantum logic network for probabilistic cloning the quantum states used in implemented tasks for which cloning provides some enhancement in performance.
@article{arxiv.quant-ph/0308036,
title = {Quantum logic network for probabilistic cloning the quantum states},
author = {Ting Gao and Fengli Yan and Zhixi Wang},
journal= {arXiv preprint arXiv:quant-ph/0308036},
year = {2007}
}