 ##  [Renormalization Group Flow](/renormalization-group-flow) 

  ##  [Renormalization Group Flow](https://natural.quantumdictionary.io/renormalization-group-flow-0) 

  

 [![Natural & Formal Sciences Dictionary](/sites/default/files/styles/large/public/2026-01/Natural%20%26%20Formal%20Sciences.png.webp?itok=2kCDRVQv)](/topic-specific-dictionaries/natural-formal-sciences)



**Natural &amp; Formal Sciences Dictionary**

 







 

 

 

 



 

 

 

 

Definition

A family of transformations on a space of physical or statistical models that successively coarse-grain short-scale degrees of freedom and rescale variables, producing a trajectory of effective parameters as the observation scale changes.