Is interaction first or field?

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Discussion Overview

The discussion centers around the relationship between interaction and field in the context of quantum field theory (QFT). Participants explore whether interaction precedes field or vice versa, examining implications for measurement and theoretical frameworks.

Discussion Character

  • Debate/contested

Main Points Raised

  • One participant argues that without interaction, fields cannot be measured, suggesting that interaction should come first, which they claim contradicts existing literature.
  • Another participant counters that in QFT, fields are fundamental to describing interactions, asserting that interactions are represented by fields rather than generating them.
  • Some participants propose that there is no distinction between interaction and field, echoing the sentiment that both concepts are intertwined.

Areas of Agreement / Disagreement

Participants express differing views on the precedence of interaction versus field, with some asserting a lack of distinction between the two concepts. The discussion remains unresolved with multiple competing perspectives.

Contextual Notes

Participants do not clarify specific definitions of "interaction" and "field," and the implications of their relationship remain ambiguous. There are also no resolutions to the claims made regarding the literature.

einstein_vishnu
without the interaction we can't measure the field so interaction should come first which is against the literature.
 
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Euuh, what do you mean.

In QFT fields are used in order to describe the interaction. The particles involved (both fermionic matter fields as well as bosonic force fields) are the quanta of these fields acquired by the second quantization.

don't think that the interaction generates the field. The interaction itself is described by the field.

regards
marlon
 
There is no distinction between "interaction" and "field".

(That's really what marlon just said!)
 
HallsofIvy said:
There is no distinction between "interaction" and "field".

(That's really what marlon just said!)


That's a very efficient way to put it,...nice :smile: , right on brother :cool:

regards
marlon
 

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