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NeuroQuantology

Free Will from Outside Spacetime? The Role of Observer in Quantum Mechanics

Michele Caponigro

Published Jul 31, 2018• 1 citation
Publisher

Abstract

We debate, from conceptual point of view, the relationship between the role of observer in quantum mechanics.
DOI
10.14704/nq.2018.16.8.1374

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We debate, from conceptual point of view, the relationship between the role of observer in quantum mechanics and the von Neumann Chain. Subject and object are only in a relation, in a totally entangled Gestalt. The measurement seen as interaction is such a Gestalt, but not meaning that observer and object enter in relation, but that the relation founds relate and correlate. What it is this relation in the measurement? The totality of the experimental arrangement which permits speaking of measurement. A totality which lives in our perception and is made of perceiving devices and tools of measurement.
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This brief survey analyzes the epistemological implications about the role of observer in the interpretations of Quantum Mechanics. As we know, the goal of most interpretations of quantum mechanics is to avoid the apparent intrusion of the observer into the measurement process. In the same time, there are implicit and hidden assumptions about his role. In fact, most interpretations taking as ontic level one of these fundamental concepts as information, physical law and matter bring us to new problematical questions. We think, that no interpretation of the quantum theory can avoid this intrusion until we do not clarify the nature of observer.
According to Many Worlds Interpretation (MWI, Everett, 1957), the terms of an entangled state describe something that really exist; the state does not just refer to the probabilities of results that would be obtained if measurement takes place. We argue in this essay from conceptual point of view the relationship between quantum entanglement and and MWI. The debate is still open and we suggest that the objective Bayesian interpretation of quantum probability could be an interesting approach to solve this fundamental question.