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Entanglement, joint measurement, and state reduction

Macdonald, Alan (2003) Entanglement, joint measurement, and state reduction. [Preprint]

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    Abstract

    Entanglement has been called the most important new feature of the quantum world. It is expressed in the quantum formalism by the joint measurement formula. We prove the formula for projection valued observables from a plausible assumption, which for spacelike separated measurements is an expression of relativistic causality. The state reduction formula is simply a way to express the joint measurement formula after one measurement has been made, and its result known.


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    Item Type: Preprint
    Keywords: joint measurement, state reduction, measurement problem
    Depositing User: Alan Macdonald
    Date Deposited: 09 Sep 2009
    Last Modified: 07 Oct 2010 11:18
    Item ID: 4879
    URI: http://philsci-archive.pitt.edu/id/eprint/4879

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