Exponentially Biased Ground-State Sampling of Quantum Annealing Machines with Transverse-Field Driving Hamiltonians.

@article{Mandr2017ExponentiallyBG,
  title={Exponentially Biased Ground-State Sampling of Quantum Annealing Machines with Transverse-Field Driving Hamiltonians.},
  author={Salvatore Mandr{\`a} and Zheng Zhu and Helmut G. Katzgraber},
  journal={Physical review letters},
  year={2017},
  volume={118 7},
  pages={
          070502
        }
}
  • Salvatore Mandrà, Zheng Zhu, Helmut G. Katzgraber
  • Published 2017
  • Physics, Medicine
  • Physical review letters
  • We study the performance of the D-Wave 2X quantum annealing machine on systems with well-controlled ground-state degeneracy. While obtaining the ground state of a spin-glass benchmark instance represents a difficult task, the gold standard for any optimization algorithm or machine is to sample all solutions that minimize the Hamiltonian with more or less equal probability. Our results show that while naive transverse-field quantum annealing on the D-Wave 2X device can find the ground-state… CONTINUE READING

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