Experimental implementation of a quantum algorithm requires unitary operator decomposition. Here we treat the unitary operator decomposition as an optimization problem and use Genetic Algorithm, a global optimization method inspired by nature's evolutionary process for operator decomposition. As an application, we apply this to NMR Quantum Information Processing and find a probabilistic way of doing universal quantum computation using global hard pulses. We also demonstrate efficient creation of singlet state (as a special case of Bell state) directly from thermal equilibrium using an optimum sequence of pulses.
@article{arxiv.1205.4294,
title = {Singlet state creation and Universal quantum computation in NMR using Genetic Algorithm},
author = {V. S. Manu and Anil Kumar},
journal= {arXiv preprint arXiv:1205.4294},
year = {2015}
}