Laws of Attraction: Particle Exchange?

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    Attraction Laws
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Discussion Overview

The discussion revolves around the nature of attraction in physics, specifically whether it is best understood as an exchange of particles or as a force field. The conversation touches on different interpretations across various fields of physics, including relativity and quantum physics.

Discussion Character

  • Debate/contested

Main Points Raised

  • Some participants propose that attraction can be viewed as an exchange of virtual particles during interactions, suggesting this interpretation aids in visualizing the mathematics involved.
  • Others argue that it is equally valid to consider attraction as a force field, indicating that this perspective does not rely on particle exchange.
  • One participant notes that the interpretation may depend on the specific field of physics being discussed, highlighting that in relativity, gravity is described as geometry rather than particles, while quantum physics suggests gravity involves particles.
  • Another participant mentions that both views—particles and fields—can lead to the same conclusions mathematically, indicating that these interpretations are not necessarily mutually exclusive.
  • There is a suggestion that the distinction between fields and particles may be more about interpretation than about differing physical realities.

Areas of Agreement / Disagreement

Participants express differing views on whether attraction is best understood through particle exchange or as a force field. There is no consensus on a single interpretation, and the discussion remains unresolved.

Contextual Notes

Limitations include the dependence on specific interpretations of physics, the potential ambiguity in definitions of particles and fields, and the unresolved nature of how these concepts relate to each other in different physical theories.

GarryS
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Is attraction always viewed as some kind of exchange of particles?
 
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I'm not 100% sure, but I think the exchange of virtual particles during interactions is an interpretation of what is happening, originally devised to make the math easier to visualize I believe. It is equally valid to simply view the interaction as a force field. (Not the star trek kind)
 
as i understand it this depends on whether your actually talking about forces and which field of physics? I mean in relativity gravity is geometry and not particles while quantum physics says gravity is particles. And my understanding is that at that level forces are indeed mediated by particles as information must be exchanged. its not just a way of visualising it, its real. Fields are also particles anyway are they not?
 
To my knowledge either way is "correct" in the sense that they reach the same conclusion when you do the math. The view of whether it is a field or virtual particles or if the field is made of virtual particles is just interpretations. I'm not 100% sure on this, but I have seen multiple threads arguing this subject and it looks to me to be true. Don't take my word for it, I'm sure a search here on PF for "virtual particles" would find plenty of threads on it.
 

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