Conformal invariance in the nonperturbative renormalization group: a rationale for choosing the regulator

Autor: Nicolás Wschebor, Matthieu Tissier, Ivan Balog, Gonzalo De Polsi

Publikováno v: Physical Review E : Statistical, Nonlinear, and Soft Matter Physics
Physical Review E : Statistical, Nonlinear, and Soft Matter Physics, American Physical Society, 2020, 101 (6), pp.062146. ⟨10.1103/PhysRevE.101.062146⟩

Field-theoretical calculations performed in an approximation scheme often present a spurious dependence of physical quantities on some unphysical parameters associated with the details of the calculation setup (such as, the renormalization scheme or,

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