Dryad
Published June 13, 2022 | Version v1
Dataset Open

Quantum supremacy using a programmable superconducting processor

Authors/Creators

  • 1. Google (United States)
  • 2. University of Massachusetts Amherst
  • 3. Ames Research Center
  • 4. California Institute of Technology
  • 5. Ameren (United States)
  • 6. University of California, Santa Barbara
  • 7. University of Erlangen-Nuremberg
  • 8. Oak Ridge National Laboratory
  • 9. University of California, Riverside
  • 10. Stinger Ghaffarian Technologies (United States)
  • 11. Forschungszentrum Jülich
  • 12. University of Michigan–Ann Arbor
  • 13. University of Illinois at Urbana Champaign

Description

The tantalizing promise of quantum computers is that certain computational tasks might be executed exponentially faster on a quantum processor than on a classical processor. A fundamental challenge is to build a high-fidelity processor capable of running quantum algorithms in an exponentially large computational space. Here, we report using a processor with programmable superconducting qubits to create quantum states on 53 qubits, corresponding to a computational state-space of dimension 2^53 ∼ 10^16. Measurements from repeated experiments sample the corresponding probability distribution, which we verify using classical simulations. While our processor takes about 200 seconds to sample one instance of a quantum circuit 1 million times, a state-of-the-art supercomputer would require approximately 10,000 years to perform the equivalent task. This dramatic speedup relative to all known classical algorithms provides an experimental realization of quantum supremacy on a computational task and heralds the advent of a much-anticipated computing paradigm.

Notes

Please see Readme file.

Files

fidelity_4a.csv

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Additional details

Related works

Is cited by
10.1038/s41586-019-1666-5 (DOI)