Did de Broglie contribute later to pilot wave theory?

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Discussion Overview

The discussion centers on whether Louis de Broglie made contributions to pilot wave theory later in his life, particularly after his initial introduction of the concept in 1927. Participants explore the implications of his later thoughts and writings on the theory, including references to specific works and interviews.

Discussion Character

  • Exploratory
  • Technical explanation
  • Debate/contested

Main Points Raised

  • One participant recalls that de Broglie revisited pilot wave theory later in life, as mentioned in Adam Becker's book "What is Real?"
  • Another participant cites a 1967 interview where de Broglie expresses a desire to return to a causal picture in science, suggesting a renewed interest in the foundations of pilot wave theory.
  • References are made to the double solution theory as a potential development of pilot wave theory, with links provided to relevant documents.
  • Several textbooks authored by de Broglie are mentioned, with one participant noting their translations into English and their relevance to quantum mechanics.
  • A participant highlights de Broglie's critique of the Dirac Equation's application to the hydrogen atom, indicating his ongoing engagement with foundational issues in quantum mechanics.
  • A later post references a paper by Claude Daviau and Jacques Bertrand, suggesting that de Broglie's influence persists in contemporary discussions and developments related to his theories.

Areas of Agreement / Disagreement

Participants express varying degrees of certainty regarding de Broglie's contributions to pilot wave theory later in life, with some suggesting he did engage with the topic while others focus on the implications of his writings without reaching a consensus.

Contextual Notes

Some discussions involve interpretations of de Broglie's later works and their impact on pilot wave theory, but there are no definitive conclusions drawn about the extent or nature of his contributions.

Minnesota Joe
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Did de Broglie make any contributions after taking up pilot wave theory again?
If I recall correctly it was in Adam Becker's book "What is Real?" where I read that late in life de Broglie took up again the pilot wave theory that he had introduced at Solvay in 1927 and that Bohm had done so much work on in the interim.

Did de Broglie make any contributions to pilot wave theory late in life? I have in mind published papers or influential articles.
 
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Googling a little I found an interesting 1967 interview where de Broglie talks about returning to a causal picture: "As of today, my thoughts lead me to affirm that it would be quite advantageous to go back to much precise pictures because I think that science is always about creating causality links between phenomena and I think that this research of causality will always be extremely productive for science."

 
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Fortunately there are several textbooks he wrote in French that have been translated to English. One is a general textbook that isn't oriented towards specialists. Others that I know about and have copies are:

Nonlinear Wave Mechanics - Elsevier - 1960 - 304 pages
Introduction to the Vigier Theory of Elementary Particles - Elsevier - 1963 - 138 pages
The Current Interpretation of Wave Mechanics: A Critical Study - Elsevier - 1964 - 94 pages

Of critical relevance to much in QM, in 1934 de Broglie demonstrated that the Dirac Equation exhibits a "shocking failure of symmetry" when applied to the hydrogen atom. He attempted to resolve the situation but could not find a way to do so. (L'electron magnetique, Hermann, Paris, 1934, page 138)
 
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P.S. This paper by Claude Daviau and Jacques Bertrand shows how influential de Broglie continued to be and how his discoveries continue to be developed in ways that bring rather important principles into the foreground.

https://file.scirp.org/pdf/JMP_2015112314063920.pdf
 
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