, Volume 39, Issue 7, pp 712-730
Date: 21 Feb 2009

On the Sharpness and Bias of Quantum Effects

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Abstract

The question of quantifying the sharpness (or unsharpness) of a quantum mechanical effect is investigated. Apart from sharpness, another property, bias, is found to be relevant for the joint measurability or coexistence of two effects. Measures of bias will be defined and examples given.