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The Bundle Theory Approach to Relational Quantum Mechanics.
1Université de Lausanne, Section de Philosophie, 1015 Lausanne, Switzerland.
Foundations of Physics
|March 8, 2021
Summary
This study offers a new metaphysical view of Relational Quantum Mechanics (RQM), defining systems as bundles of properties that differ between observers. This Humean, property-based ontology supports realism in quantum mechanics.
Area of Science:
- Metaphysics
- Quantum Mechanics
- Philosophy of Science
Background:
- Relational Quantum Mechanics (RQM) offers a unique perspective on quantum theory.
- Traditional interpretations often rely on substance-based ontologies.
- Humean philosophy emphasizes properties over substances.
Purpose of the Study:
- To provide a novel metaphysical interpretation of RQM.
- To align RQM with a property-oriented ontology.
- To demonstrate RQM's compatibility with moderate structural realism.
Main Methods:
- Applying mereological bundle theory to RQM.
- Analyzing the ontological commitments of RQM.
- Comparing RQM's framework with Humean and structural realist philosophies.
Main Results:
- Physical systems in RQM are interpreted as mereological fusions of properties.
- These properties can have observer-dependent values.
- RQM is shown to be compatible with property-oriented ontologies and moderate structural realism.
Conclusions:
- Relational Quantum Mechanics can be understood through a Humean, property-based metaphysical lens.
- This interpretation supports a realist view of RQM.
- RQM should be considered a fully realist interpretation of quantum theory.
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