2006/10/10 by Giacomo Mauro D’Ariano, Giacomo Mauro D'Ariano, Paolo Perinotti · 1 citation
Mathematics · Physics and Astronomy · #Mathematical Analysis and Transform Methods #Numerical methods in inverse problems #Spectral Theory in Mathematical Physics #quant-ph
paper · pdf · doi:10.1103/physrevlett.98.020403
published as Phys. Rev. Lett. 98, 020403 (2007). · 4 pages, 1 figure, revtex4. Updated figure
arxiv created 2006/10/10 · openalex publication_date 2007/01/12 · arxiv updated 2009/12/01 · openalex created_date 2016/06/24 · openalex updated_date 2026/07/28
We consider the general measurement scenario in which the ensemble average of an operator is determined via suitable data processing of the outcomes of a quantum measurement described by a positive operator-valued measure. We determine the optimal processing that minimizes the statistical error of the estimation.