Semidefinite compatibility constraints tighten ground-state energy estimates from shot-noise-limited Pauli measurements on small XY spin chains.
We now examine the performance of SDP-assisted overlapping tomography in estimating ground states of local Hamiltonians
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Mitigating shot noise in local overlapping quantum tomography with semidefinite programming
Semidefinite compatibility constraints tighten ground-state energy estimates from shot-noise-limited Pauli measurements on small XY spin chains.