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Teoreticheskaya i Matematicheskaya Fizika, 2007, Volume 151, Number 1, Pages 109–119
DOI: https://doi.org/10.4213/tmf6014 (Mi tmf6014) 		 
This article is cited in 16 scientific papers (total in 16 papers)

Skew information decreases under quantum measurements

Sh. Luoa, Q. Zhangb

a Chinese Academy of Sciences
b City University of Hong Kong
Full-text PDF (379 kB) Citations (16)
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DOI: https://doi.org/10.4213/tmf6014
Abstract: We prove that the skew information decreases under nonselective quantum measurements that do not disturb the conserved observable. We further conjecture that the skew information also decreases under selective quantum measurements, and we prove this for two-dimensional quantum systems.
Keywords: density operator, conserved observable, skew information, quantum measurement, affinity, monotonicity.
Received: 14.09.2006
English version:
Theoretical and Mathematical Physics, 2007, Volume 151, Issue 1, Pages 529–538
DOI: https://doi.org/10.1007/s11232-007-0039-7
Bibliographic databases:
Language: Russian
Citation: Sh. Luo, Q. Zhang, “Skew information decreases under quantum measurements”, TMF, 151:1 (2007), 109–119; Theoret. and Math. Phys., 151:1 (2007), 529–538
Citation in format AMSBIB
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    • This publication is cited in the following 16 articles:
    Citing articles in Google Scholar: Russian citations, English citations
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    		Теоретическая и математическая физика Theoretical and Mathematical Physics
     
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