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quant-ph2023
Fault-Tolerant Quantum Memory using Low-Depth Random Circuit Codes
Jon Nelson, Gregory Bentsen, Steven T. Flammia +1
Low-depth random circuit codes possess many desirable properties for quantum error correction but have so far only been analyzed in the code capacity setting where it is assumed th…
quant-ph2023★ 11 cited
Quantum chi-squared tomography and mutual information testing
Steven T. Flammia, Ryan O'Donnell
For quantum state tomography on rank- dimension- states, we show that copies suffice for accuracy~ with respect…
quant-ph2023★ 28 cited
Learning correlated noise in a 39-qubit quantum processor
Robin Harper, Steven T. Flammia
Building error-corrected quantum computers relies crucially on measuring and modeling noise on candidate devices. In particular, optimal error correction requires knowing the noise…