State reconstruction of finite-dimensional compound systems via local projective measurements and one-way classical communication
Journal Article
·
· Physical Review. A
- Instituto de Fisica 'Gleb Wataghin', Universidade Estadual de Campinas, 13083-970 Campinas, Sao Paulo (Brazil)
For a finite-dimensional bipartite system, the relation between local projections and post-selected state dependence on the global state submatrices is given in a general setting. As a result joint state reconstruction is derived with strict local projective measurements and one-way classical communication, reducing the number of detectors in comparison to standard procedures. Generalization to multipartite systems is given, also reducing the number of detectors for multiqubits.
- OSTI ID:
- 21528837
- Journal Information:
- Physical Review. A, Vol. 82, Issue 6; Other Information: DOI: 10.1103/PhysRevA.82.062308; (c) 2010 The American Physical Society; ISSN 1050-2947
- Country of Publication:
- United States
- Language:
- English
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