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Related Experiment Video

Updated: Oct 7, 2025

Quantum State Engineering of Light with Continuous-wave Optical Parametric Oscillators

Quantum State Engineering of Light with Continuous-wave Optical Parametric Oscillators

Published on: May 30, 2014

Pilot-wave theory and quantum fields.

¹Institute of Theoretical Physics, K U Leuven, Celestijnenlaan 200D, B-3001 Leuven, Belgium.

Reports on Progress in Physics. Physical Society (Great Britain)

|January 8, 2022

Summary

This summary is machine-generated.

Pilot-wave theories offer solutions to quantum measurement problems using additional variables. This paper reviews and develops field-based pilot-wave theories for various quantum fields.

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Area of Science:

Quantum Mechanics
Theoretical Physics
Foundations of Physics

Background:

Pilot-wave theories address the quantum measurement problem by introducing additional variables (beables) alongside the state vector.
These beables can represent particle positions, field configurations, or strings, offering alternative interpretations of quantum mechanics.

Purpose of the Study:

To provide an overview and further development of pilot-wave theories utilizing field configurations as beables.
To explore and compare various bosonic and fermionic quantum field theories within this framework.

Main Methods:

Review and analysis of existing pilot-wave theories for quantum fields.
Development and comparison of specific models, including Bohm's and Valentini's theories for the electromagnetic field.
Examination of Holland's and Valentini's proposals for fermionic fields.

Main Results:

The pilot-wave theories proposed by Bohm and Valentini for the electromagnetic field are found to be equivalent.
Further work is needed to validate Holland's model for fermionic fields against standard quantum predictions.
A significant challenge is identified in Valentini's model for fermionic fields.

Conclusions:

Field-based pilot-wave theories offer a promising avenue for understanding quantum phenomena.
Specific models require further refinement and validation to fully reproduce established quantum mechanical results.
Challenges remain in developing consistent and predictive pilot-wave theories for all quantum fields.