Article on photon wave-particle duality

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Discussion Overview

The discussion revolves around the concept of wave-particle duality in quantum physics, specifically in relation to a recent publication that presents a different perspective on the topic. Participants evaluate the validity of the publication and express their thoughts on the relevance and interpretation of wave-particle duality.

Discussion Character

  • Debate/contested
  • Conceptual clarification
  • Technical explanation

Main Points Raised

  • Some participants assert that Feynman regarded wave-particle duality as a central issue in quantum physics, while others challenge this interpretation, suggesting he was more focused on the complexities of quantum mechanics in general.
  • One participant critiques the publication for incorrectly applying the equation E = mc² to photons, arguing that the correct relationship for massless particles is E = pc.
  • Another participant expresses skepticism about the need to explain wave-particle duality, suggesting that analogies used in teaching can be misleading and that photons should simply be understood as exhibiting both wave-like and particle-like properties without overcomplicating the concept.
  • Some participants propose analogies, such as comparing photons to skunks in relation to cats and dogs, to illustrate the idea of duality without implying a strict categorization.
  • There is a contention regarding the relevance of wave-particle duality, with some participants suggesting it is outdated and should not be a focus in modern physics discussions.
  • One participant dismisses the publication as lacking credibility, claiming the author does not understand physics adequately.
  • Another participant states that the original question posed by the OP is based on a misconception and an invalid reference.

Areas of Agreement / Disagreement

Participants express a range of views on the significance and interpretation of wave-particle duality, with no consensus reached on its relevance or the validity of the referenced publication. Disagreement exists regarding Feynman's stance and the appropriateness of the publication's claims.

Contextual Notes

Some participants note that the discussion may be influenced by differing interpretations of Feynman's statements and the historical context of wave-particle duality, which may not align with contemporary understandings in physics.

physics pfan
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Need feedback on a new take on duality....
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physics pfan said:
We all know that Feynman declared wave-particle duality as the central/only problem of quantum physics.
We do? He did? He certainly said QM is strange, and hard to really understand. But I don't think he was hung up on the wave-particle thing. Perhaps this is just semantics though.
 
physics pfan said:
Summary:: Need feedback on a new take on duality...

We all know that Feynman declared wave-particle duality as the central/only problem of quantum physics.
Not sure how to evaluate a recent publication summary on this topic: https://sciencex.com/news/2020-11-wave-particle-duality-entanglement-customary-pitfalls.html
Would like others take on this; it come from a different perspective for sure...
I can safely say that that article is garbage. It's written by someone who has no idea what he's taking about. The author is a philosopher and simply hasn't taken the time to learn and understand physics before writing about it.
 
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Frankly, I just don't understand why people are constantly trying to solve, or explain, wave-particle duality in light. We use lots of analogies in teaching physics, which are useful, but, of course, not really correct. We teach classical light diffraction with water wave diffraction in high school, for example. Yet no one has a hard time confusing water waves and light. It seems enough to say that photons act like photons, which, BTW, share some features of waves and some of particles.

A skunk is like a cat, but isn't really a cat. Skunks are like dogs, but there also not completely like dogs. Yet we don't seem to have a cat-dog duality problem with skunks.
 
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DaveE said:
A skunk is like a cat, but isn't really a cat. Skunks are like dogs, but there also not completely like dogs. Yet we don't seem to have a cat-dog duality problem with skunks.
Or, something like a "father-accountant" duality, where a man behaves like a "father" when he's at home and like an "accountant" when he's at work.
 
physics pfan said:
We all know that Feynman declared wave-particle duality as the central/only problem of quantum physics.
If I remember correctly he said something along those lines about the double-slit experiment, not the (now a bit outdated) concept wave/particle duality.
 
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A bit outdated? Well, it's no longer part of physics since 1925, nearly 100 years ago. I'd say it's a shame that "wave-particle duality" is not yet forgotten (as should be also "relativistic mass")!
 
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physics pfan said:
We all know that Feynman declared wave-particle duality as the central/only problem of quantum physics.

No, "we all" do not know this.

physics pfan said:
Not sure how to evaluate a recent publication summary on this topic

The article you linked to is not a good source.
 
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The OP question is based on a misconception and an invalid reference. Thread closed.
 

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