Concepedia

Unsharp Measurements

Unsharp Measurements is a quantum measurement framework characterized by positive operator-valued measures (POVMs) that generalize projective measurements by allowing non-orthogonal and overlapping detection operators, thereby representing observables with inherent uncertainty or limited resolution.

61

Publications

2.7K

Citations

110

Authors

66

Institutions

Publications per year

2017–2026

17

Variants

Unsharp Observables

Parents

Publications

61

Contextuality for preparations, transformations, and unsharp measurements

Robert W. Spekkens · Physical Review A · 2005 · 643 citations · Full text

, , +13

Unsharp reality and joint measurements for spin observables

Paul Busch · Physical review. D. Particles, fields, gravitation, and cosmology/Physical review. D. Particles and fields · 1986 · 299 citations

, , +16

Joint measurement of two unsharp observables of a qubit

Sixia Yu, Nai-Le Liu, Li Li et al. · Physical Review A · 2010 · 88 citations

, , +16

Degree of complementarity determines the nonlocality in quantum mechanics

Manik Banik, Md. Rajjak Gazi, Sibasish Ghosh et al. · Physical Review A · 2013 · 77 citations · Full text

, , +12

Luders theorem for unsharp quantum measurements

1998 · 77 citations

, , +11

1–5 of 61

Authors

110

  1. PB
    Paul Busch

    University of Cologne, Germany

    9 publications · 539 citations

    9

    h-index

  2. TK
    Thomas Konrad

    University of KwaZulu-Natal, South Africa

    5 publications · 93 citations

    5

    h-index

  3. AT
    Armin Tavakoli

    University of Geneva, Switzerland

    5 publications · 194 citations

    5

    h-index

  4. SG
    Sibasish Ghosh

    Institute of Mathematical Sciences, India

    4 publications · 142 citations

    4

    h-index

  5. PL
    Pekka Lahti

    University of Turku, Finland

    3 publications · 80 citations

    3

    h-index

1–5 of 110

Institutions

66

  1. Institute of Mathematical Sciences

    Chennai, India

    6 h-index

    8 publications

    221 citations

  2. University of Cologne

    Cologne, Germany

    5 h-index

    7 publications

    443 citations

  3. University of Geneva

    Geneva, Switzerland

    5 h-index

    5 publications

    181 citations

  4. University of Hull

    Hull, United Kingdom

    4 h-index

    5 publications

    159 citations

  5. University of Calabria

    Rende, Italy

    4 h-index

    5 publications

    86 citations

  6. University of Gdańsk

    Gdansk, Poland

    4 h-index

    7 publications

    323 citations

  7. TU Wien

    Vienna, Austria

    4 h-index

    6 publications

    134 citations

  8. University of KwaZulu-Natal

    Durban, South Africa

    4 h-index

    8 publications

    116 citations

1–8 of 66

Venues

  1. Physical Review A

    PRA · 14 publications · 1K citations

    12

    h-index

  2. Physical review. A/Physical review, A

    PRA · 8 publications · 190 citations

    8

    h-index

  3. Journal of Mathematical Physics

    5 publications · 85 citations

    5

    h-index

  4. Physical Review Letters

    PRL · 3 publications · 108 citations

    3

    h-index

  5. arXiv (Cornell University)

    Repository · 3 publications · 91 citations

    3

    h-index

1–5