Purification through Zeno-Like Measurements

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    Abstract

    A series of frequent measurements on a quantum system (Zeno-like measurements) is shown to result in the “purification” of another quantum system in interaction with the former. Even though the measurements are performed on the former system, their effect drives the latter into a pure state, irrespectively of its initial (mixed) state, provided certain conditions are satisfied.

    Original languageEnglish
    Number of pages1
    JournalPhysical Review Letters
    Volume90
    Issue number6
    DOIs
    Publication statusPublished - 2003 Jan 1

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    ASJC Scopus subject areas

    • Physics and Astronomy(all)

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