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The Measurement Process in the Generalized Contexts Formalism for Quantum Histories

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Abstract

In the interpretations of quantum mechanics involving quantum histories there is no collapse postulate and the measurement is considered as a quantum interaction between the measured system and the measured instrument. For two consecutive non ideal measurements on the same system, we prove that both pointer indications at the end of each measurement are compatible properties in our generalized context formalism for quantum histories. Inmediately after the first measurement an effective state for the measured system is deduced from the formalism, generalizing the state that would be obtained by applying the state collapse postulate.

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Authors and Affiliations

  1. Instituto de Física Rosario, Pellegrini 250, 2000, Rosario, Argentina

    Marcelo Losada

  2. Facultad de Ciencias Exactas y Naturales (UBA), Pabellón I, Ciudad Universitaria, 1428, Buenos Aires, Argentina

    Leonardo Vanni

  3. Facultad de Ciencias Exactas, Ingeniería y Agrimensura and Instituto de Física Rosario, Pellegrini 250, 2000, Rosario, Argentina

    Roberto Laura

Authors
  1. Marcelo Losada
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  2. Leonardo Vanni
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  3. Roberto Laura
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Correspondence to Roberto Laura.

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Losada, M., Vanni, L. & Laura, R. The Measurement Process in the Generalized Contexts Formalism for Quantum Histories. Int J Theor Phys 55, 817–824 (2016). https://doi.org/10.1007/s10773-015-2720-1

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  • DOI: https://doi.org/10.1007/s10773-015-2720-1

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