Photon Wave Functions: Beyond the Wave/Particle Duality

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Discussion Overview

The discussion revolves around the nature of photon wave functions and their relationship to wave/particle duality, particularly in comparison to matter particles. It explores theoretical implications and interpretations within quantum mechanics and electromagnetism.

Discussion Character

  • Exploratory
  • Technical explanation
  • Conceptual clarification

Main Points Raised

  • One participant suggests that while microscopic matter particles have associated wave functions, photons also possess wave functions that correspond to classical electromagnetic (EM) waves, raising questions about the nature of wave/particle duality for photons compared to matter.
  • Another participant argues that the electric (E) and magnetic (B) fields in quantum mechanics are secondary, implying a different foundational role in the context of photon wave functions.
  • A different viewpoint is presented, stating that the four-potential A^mu serves as the wave function of a photon, and notes that because photons are bosons, multiple photons can occupy the same state, leading to classical EM field strengths, which is not the case for electrons.
  • A later reply expresses understanding and agreement with one of the previous contributions, indicating a positive reception of the ideas discussed.

Areas of Agreement / Disagreement

Participants express differing views on the nature of photon wave functions and their relationship to classical EM waves, with no consensus reached on the implications of these ideas.

Contextual Notes

The discussion does not clarify the assumptions underlying the relationship between wave functions and classical fields, nor does it resolve the implications of the four-potential in relation to photon behavior.

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Microscopic matter particles have associated wave functions, so do photons.
The (probability) wave functions of photons are the classical EM waves.
But don’t have EM waves another reality than matter probability waves? Isn’t the wave/ particle dualism of another kind for EM-waves/ photons than for matter? I mean, EM waves consist of two oscillating fields.

thanks
 
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The E and B-field are in quantum mechanics really secondary.
 
The four-potential A^mu is the wave function of a photon.
Because photons are bosons, there can be many photons in the same state so that classical strength EM fields occur. There is no counterpart for the WF of an electron.
 
Ahhh yes, that makes sense to me..thanks Meir Achuz
 

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