Short-depth circuits for efficient expectation-value estimation
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DOI: 10.1103/physreva.101.022328
Abstract: The evaluation of expectation values $Tr\left[\rho O\right]$ for some pure state $\rho$ and Hermitian operator $O$ is of central importance in a variety of quantum algorithms. Near optimal techniques developed in the past require a… read more here.
Keywords: expectation; epsilon right; epsilon; mathcal left ... See more keywords