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Updated: May 19, 2026
06:42
Generation and Coherent Control of Pulsed Quantum Frequency Combs
Published on: June 8, 2018
Decoherence and its role in the modern measurement problem
1Balliol College, Oxford University. david.wallace@balliol.ox.ac.uk
Summary
Decoherence clarifies the quantum measurement problem by explaining how modern physics handles quantum measurements without wave function collapse. It details decoherence's role in measurement theory and proposed solutions.
Area of Science:
- Quantum Physics
- Foundations of Quantum Mechanics
- Measurement Theory
Background:
- The traditional quantum measurement problem is disconnected from modern physics practices.
- Textbook quantum mechanics often diverges from real-world scientific applications, particularly in measurement analysis.
- Decoherence is conceptually linked to the quantum measurement problem, but its precise role requires clarification.
Purpose of the Study:
- To present a modern physics account of quantum measurements, highlighting the absence of wave function collapse.
- To redefine the quantum measurement problem from the perspective of current physical practices.
- To elucidate the function of decoherence in contemporary measurement theory and its impact on problem-solving strategies.
Main Methods:
- Analysis of how quantum measurements are practically handled in modern physics.
- Review of existing strategies for solving the quantum measurement problem.
- Examination of the theoretical role and effects of decoherence in quantum measurement.
Main Results:
- Modern physics accounts for quantum measurements without invoking wave function collapse.
- Decoherence plays a crucial role in modern quantum measurement theory.
- Decoherence influences the viability and understanding of various proposed solutions to the measurement problem.
Conclusions:
- A practical, modern physics perspective on quantum measurement differs significantly from traditional foundational accounts.
- Decoherence is integral to understanding quantum measurement and resolving the associated foundational issues.
- This work bridges the gap between foundational discussions and practical applications of quantum mechanics.
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