scholarly journals Loop expansion of the average effective action in the functional renormalization group approach

2015 ◽  
Vol 92 (8) ◽  
Author(s):  
Peter M. Lavrov ◽  
Boris S. Merzlikin
Keyword(s):  
Renormalization Group ◽  
Effective Action ◽  
Group Approach ◽  
Functional Renormalization Group ◽  
Loop Expansion ◽  
Renormalization Group Approach

scholarly journals Composite operators in functional renormalization group approach

2017 ◽  
Vol 32 (28) ◽  
pp. 1750153
Author(s):  
Olga V. Zyryanova
Keyword(s):  
Renormalization Group ◽  
Effective Action ◽  
Gauge Theories ◽  
Group Approach ◽  
Functional Renormalization Group ◽  
Gauge Dependence ◽  
Dependence Problem ◽  
Renormalization Group Approach ◽  
Modified Functional ◽  
General Gauge

The gauge dependence problem of the effective action for general gauge theories in the framework of a modified functional renormalization group approach proposed recently is studied. It is shown that the effective action remains gauge-dependent on-shell.

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