2 papers
quant-ph2026
Autonomous Hamiltonian certification and changepoint detection
Steven T. Flammia, Dmitrii Khitrin, Muzhou Ma +3
Modern quantum devices require high-precision Hamiltonian dynamics, but environmental noise can cause calibrated Hamiltonian parameters to drift over time, necessitating expensive…
quant-ph2026
Unbiased observable estimation with approximate channels in fault-tolerant quantum computation
Dmitrii Khitrin, Kenneth R. Brown, Abhinav Anand
Unitary errors, such as those arising from fault-tolerant compilation of quantum algorithms, systematically bias observable estimates. Correcting this bias typically requires addit…