Hybrid classical-quantum linear solver using Noisy Intermediate-Scale Quantum machines

被引:13
|
作者
Chen, Chih-Chieh [1 ]
Shiau, Shiue-Yuan [2 ]
Wu, Ming-Feng [1 ]
Wu, Yuh-Renn [3 ,4 ]
机构
[1] Ind Technol Res Inst, Elect & Optoelect Syst Res Labs, Hsinchu 31057, Taiwan
[2] Natl Ctr Theoret Sci, Phys Div, Hsinchu 30013, Taiwan
[3] Natl Taiwan Univ, Grad Inst Photon & Optoelect, Taipei 10617, Taiwan
[4] Natl Taiwan Univ, Dept Elect Engn, Taipei 10617, Taiwan
关键词
SYSTEMS; STATE;
D O I
10.1038/s41598-019-52275-6
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
We propose a realistic hybrid classical-quantum linear solver to solve systems of linear equations of a specific type, and demonstrate its feasibility with Qiskit on IBM Q systems. This algorithm makes use of quantum random walk that runs in o(N log(N)) time on a quantum circuit made of o(log(N)) qubits. The input and output are classical data, and so can be easily accessed. It is robust against noise, and ready for implementation in applications such as machine learning.
引用
收藏
页数:12
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