~/talk

Monte Carlo on noisy quantum computers

Talkat Bitkom Quantum Summit 2022 · 2022-05-11..05-12· [large-language-models]
links:none on file
slides:none on file

Claims that quantum Monte Carlo (amplitude/phase estimation) can run on noisy hardware by splitting deep phase‑estimation circuits into many shallow circuits and executing them in parallel, turning a catastrophic serial error collapse into a still‑useful linear signal. Demonstrates with numbers: originally projected 250 qubits but ~100 million operations serially is infeasible; parallelization lowers gate depth, makes a 10‑bit resolution require ~1,000 independent runs that can be run concurrently, and shows empirical error‑slope correction from measured flip rates. Results: prototype circuits and analysis indicate resilience and practical speedups.

AI-written summary · about

  1. 0:00Intro
  2. 0:45Welcome
  3. 4:15Quantum amplitude estimation
  4. 12:00Random errors
  5. 16:25Conclusion
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