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AssigneeInternational Business Machines Corporation
InventorsChristophe Piveteau, David Sutter, Paul Kristan Temme, Sergey Bravyi, Jay Michael Gambetta, Stefan Woerner
Estimating the term…
Techniques that combine quantum error correction and quantum error mitigation are used to simulate a fault-tolerant T-gate with low sampling overhead using the quasiprobability decomposition method. In some embodiments, the T-gate can be simulated using two logical bits and a magic state preparation that mitigates the need for magic state distillation and consequently has a low sampling overhead. Alternatively, the T-gate can be simulated based on code deformation performed on the surface code. Noise is removed from the T-gate using quasiprobability decomposition based on a learned logical error rate.
A system, comprising:
A computer-implemented method, comprising:
A computer program product comprising a computer-readable storage medium having program instructions embodied therewith, the program instructions executable by a processor to cause the processor to:
Dependencies are inferred from the claim text.