Universality in Quantum Measurements

• URL: http://arxiv.org/abs/2303.07966v3
• Date: Thu, 29 Jun 2023 17:25:25 GMT
• Title: Universality in Quantum Measurements
• Authors: Avijit Lahiri
• Abstract summary: We briefly review a number of major features of the approach to quantum measurement theory based on environment-induced decoherence of the measuring apparatus. We summarize our observations in the form of a couple of general principles that, unlike the wave function collapse hypothesis, emerge as ones consistent with the unitary Schr"odinger evolution of wave functions.
• Score: 0.0
• License: http://creativecommons.org/licenses/by-nc-sa/4.0/
• Abstract: We briefly review a number of major features of the approach to quantum measurement theory based on environment-induced decoherence of the measuring apparatus, and summarize our observations in the form of a couple of general principles that, unlike the wave function collapse hypothesis, emerge as ones consistent with the unitary Schr\"odinger evolution of wave functions. We conclude with a few observations of a philosophical nature, to the effect that that quantum theory does not purport to describe reality but constitutes an {\it interpretation} of our phenomenal reality within a context -- one where the Planck scale is not crossed. Beyond the Planck scale, a radically new interpretation of reality is likely to emerge.

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