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quant-ph2000
Comment on "Proposal for the Measurement of Bell-Type Correlations from Continuous Variables"
K. Banaszek, I. A. Walmsley, K. Wodkiewicz
In a recent paper [T. C. Ralph, W. J. Munro, R. E. S. Polkinghorne, Phys. Rev. Lett. 85, 2035 (2000)], the authors propose a test for Bell's inequalities based on quadrature measur…
quant-ph2000
Information gain versus state disturbance for a single qubit
Konrad Banaszek
The trade-off between the information gain and the state disturbance is derived for quantum operations on a single qubit prepared in a uniformly distributed pure state. The derivat…