scholarly journals A de Finetti representation for finite symmetric quantum states

2005 ◽  
Vol 46 (12) ◽  
pp. 122108 ◽  
Author(s):  
Robert König ◽  
Renato Renner
Keyword(s):  
Quantum States ◽  
Symmetric Quantum ◽  
De Finetti Representation ◽  
De Finetti

Erratum: Unknown quantum states: The quantum de Finetti representation [J. Math. Phys. 44, 4537 (2002)]

2008 ◽  
Vol 49 (1) ◽  
pp. 019902 ◽  
Author(s):  
Carlton M. Caves ◽  
Christopher A. Fuchs ◽  
Rüdiger Schack
Keyword(s):  
Quantum States ◽  
De Finetti Representation ◽  
De Finetti ◽  
Math Phys

scholarly journals Unknown quantum states: The quantum de Finetti representation

2002 ◽  
Vol 43 (9) ◽  
pp. 4537-4559 ◽  
Author(s):  
Carlton M. Caves ◽  
Christopher A. Fuchs ◽  
Rüdiger Schack
Keyword(s):  
Quantum States ◽  
De Finetti Representation ◽  
De Finetti

scholarly journals Efficient optimal minimum error discrimination of symmetric quantum states

2010 ◽  
Vol 81 (1) ◽  
Author(s):  
Antonio Assalini ◽  
Gianfranco Cariolaro ◽  
Gianfranco Pierobon
Keyword(s):  
Quantum States ◽  
Minimum Error ◽  
Symmetric Quantum

Optimum measurements for discrimination among symmetric quantum states and parameter estimation

1997 ◽  
Vol 36 (6) ◽  
pp. 1269-1288 ◽  
Author(s):  
Masashi Ban ◽  
Keiko Kurokawa ◽  
Rei Momose ◽  
Osamu Hirota
Keyword(s):  
Parameter Estimation ◽  
Quantum States ◽  
Symmetric Quantum

NONLOCAL MEASUREMENTS IN THE TIME-SYMMETRIC QUANTUM MECHANICS

2006 ◽  
Vol 20 (11n13) ◽  
pp. 1528-1535 ◽  
Author(s):  
LEV VAIDMAN ◽  
IZHAR NEVO
Keyword(s):  
Quantum Mechanics ◽  
Quantum Systems ◽  
Quantum Measurements ◽  
Quantum States ◽  
Standard Quantum ◽  
Time Direction ◽  
Quantum Formalism ◽  
Symmetric Quantum ◽  
Time Symmetric Quantum Mechanics

Although for some nonlocal variables the standard quantum measurements which are reliable, instantaneous, and nondemolition, are impossible, demolition reliable instantaneous measurements of all variables are possible. It is shown that this is correct also in the framework of the time-symmetric quantum formalism, i.e. nonlocal variables of composite quantum systems with quantum states evolving both forward and backward in time are measurable in a demolition way. The result follows from the possibility to reverse with certainty the time direction of backward evolving quantum states.

scholarly journals Pairwise concurrence in cyclically symmetric quantum states

2019 ◽  
Vol 100 (4) ◽  
Author(s):  
Alexander Meill ◽  
David A. Meyer
Keyword(s):  
Quantum States ◽  
Symmetric Quantum

Minimum-Bayes-cost discrimination for symmetric quantum states

2012 ◽  
Vol 86 (6) ◽  
Author(s):  
Kenji Nakahira ◽  
Tsuyoshi Sasaki Usuda
Keyword(s):  
Quantum States ◽  
Symmetric Quantum ◽  
Bayes Cost
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