====== Correlation Functions ======

<tabbox Why is it interesting?> 

<tabbox Layman> 

<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> 
http://www.physics.umd.edu/courses/Phys851/Luty/notes/diagrams.pdf

http://www.physics.umd.edu/courses/Phys851/Luty/notes/observables.pdf

see also the related http://www.physics.umd.edu/courses/Phys851/Luty/notes/renorm.pdf

<note tip>
In this section things should be explained by analogy and with pictures and, if necessary, some formulas.
</note>
 
<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> 

--> Example1#

 
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--> Example2:#

 
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<tabbox History> 

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