Lattice action forms stable under renormalization | Zendy

D. Horn | Zendy; Cosmas Zachos | Zendy

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Lattice action forms stable under renormalization

Author(s) -

D. Horn,

Cosmas Zachos

Publication year - 1984

Publication title -

physical review. d. particles, fields, gravitation, and cosmology/physical review. d. particles and fields

Language(s) - English

Resource type - Journals

eISSN - 1089-4918

pISSN - 0556-2821

DOI - 10.1103/physrevd.29.1202

Subject(s) - lattice (music) , renormalization group , mathematical physics , renormalization , physics , fixed point , scaling , lattice field theory , infrared fixed point , lattice gauge theory , gaussian , inverse , gauge theory , effective action , quantum mechanics , theoretical physics , mathematics , mathematical analysis , geometry , acoustics

We review the role of the generalized Gaussian solution to the Migdal-Kadanoff renormalization group for SU(N) lattice gauge theories, and point out that it can be continued down to very low values of the inverse coupling ..beta... We thus explain the long-distance stable line of actions observed in numerical investigations of SU(2), and propose a simple SU(3) mixed action which should exhibit improved scaling behavior.

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