✎ Haag's theorem [The Physics Travel Guide]

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====== Haag's theorem ======

<blockquote>According to something called Haagís theorem there appears to be no known
consistent formalism within which interacting quantum field theory can be
expressed.

<cite>p. 115 in "An interpretative
introduction to quantum Field theory" by Teller (1995) </cite>
</blockquote>

<note tip>
Explanations in this section should contain no formulas, but instead colloquial things like you would hear them during a coffee break or at a cocktail party.
</note>
  
<tabbox Student>

For the best explanation, see the section "How to stop worrying about Haag's theorem" in the book "The Conceptual Framework of Quantum Field Theory" by A. Duncan
 
<tabbox Researcher>

<note tip>
The motto in this section is: //the higher the level of abstraction, the better//.
</note>

--> Common Question 1#

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--> Common Question 2#

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<tabbox Examples>

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<tabbox History>

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Please solve the following equation to prove you're human. 162 +1 = Please keep this field empty:

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