Experimental Adiabatic Quantum Factorization under Ambient Conditions Based on a Solid-State Single Spin System

Kebiao Xu, Tianyu Xie, Zhaokai Li, Xiangkun Xu, Mengqi Wang, Xiangyu Ye, Fei Kong, Jianpei Geng, Changkui Duan, Fazhan Shi, and Jiangfeng Du
Phys. Rev. Lett. 118, 130504 – Published 30 March 2017
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Abstract

The adiabatic quantum computation is a universal and robust method of quantum computing. In this architecture, the problem can be solved by adiabatically evolving the quantum processor from the ground state of a simple initial Hamiltonian to that of a final one, which encodes the solution of the problem. Adiabatic quantum computation has been proved to be a compatible candidate for scalable quantum computation. In this Letter, we report on the experimental realization of an adiabatic quantum algorithm on a single solid spin system under ambient conditions. All elements of adiabatic quantum computation, including initial state preparation, adiabatic evolution (simulated by optimal control), and final state read-out, are realized experimentally. As an example, we found the ground state of the problem Hamiltonian SzIz on our adiabatic quantum processor, which can be mapped to the factorization of 35 into its prime factors 5 and 7.

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  • Received 16 October 2016

DOI:https://doi.org/10.1103/PhysRevLett.118.130504

© 2017 American Physical Society

Physics Subject Headings (PhySH)

Quantum Information, Science & TechnologyAtomic, Molecular & Optical

Authors & Affiliations

Kebiao Xu1, Tianyu Xie1, Zhaokai Li1,2, Xiangkun Xu1, Mengqi Wang1, Xiangyu Ye1, Fei Kong1, Jianpei Geng1, Changkui Duan1, Fazhan Shi1,2, and Jiangfeng Du1,2,*

  • 1CAS Key Laboratory of Microscale Magnetic Resonance and Department of Modern Physics, University of Science and Technology of China, Hefei 230026, China
  • 2Synergetic Innovation Center of Quantum Information and Quantum Physics, University of Science and Technology of China, Hefei 230026, China

  • *djf@ustc.edu.cn

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Issue

Vol. 118, Iss. 13 — 31 March 2017

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