Quantum state estimation

1996/09/17 by Z. Hradil, Zdenek Hradil · 12 citations
Computer Science · Physics and Astronomy · #Quantum Information and Cryptography #Quantum Mechanics and Applications #Quantum optics and atomic interactions #quant-ph

paper · pdf · doi:10.1103/physreva.55.r1561

4 pages, twocolumn Revtex

arxiv created 1996/09/17 · openalex publication_date 1997/03/01 · arxiv updated 2009/12/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/02

Abstract

New algorithm for quantum state estimation based on the maximum likelihood estimation is proposed. Existing techniques for state reconstruction based on the inversion of measured data are shown to be overestimated since they do not guarantee the positive definiteness of the reconstructed density matrix.

Citations

• Distinguishability and Accessible Information in Quantum Theory

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