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On the sharpness and bias of quantum effects

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JournalFoundations of Physics
DatePublished - Jul 2009
Issue number7
Volume39
Number of pages18
Pages (from-to)712-730
Original languageEnglish

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.

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© Springer Science+Business Media, LLC 2009. This is an author produced version of a paper published in 'Foundations of Physics'. Uploaded in accordance with the publisher's self-archiving policy.

    Research areas

  • quantum measurement, joint observable, coexistence, effect, unsharp observable, bias

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