**Author details**

Jiahao Liu\* and Liang Fang\* Institute for Quantum Information, State Key Laboratory of High Performance Computing, College of Computer, National University of Defense Technology, Changsha, China

\*Address all correspondence to: rae20121220@163.com and lfang@nudt.edu.cn

© 2020 The Author(s). Licensee IntechOpen. This chapter is distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/ by/3.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
