Gauge dependence of alternative flow equation for the functional renormalization group
Peter M. Lavrov
Nuclear Physics B · 2020
doi:10.1016/j.nuclphysb.2020.115107 (opens in a new tab)
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Abstract
The gauge dependence problem of alternative flow equation for the functional renormalization group is studied. It is shown that the effective two-particle irreducible effective action depends on gauges at any value of IR parameter k. The situation with gauge dependence is similar to the standard formulation based on the effective one-particle irreducible average action.
Abstract licence: CC BY
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