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Gauge invariant regularisation via SU(N|N)
Stefano Arnone, Yuri A. Kubyshin, Tim R. Morris +1
We construct a gauge invariant regularisation scheme for pure SU(N) Yang-Mills theory in fixed dimension four or less (for N = infinity in all dimensions), with a physical cutoff s…
An exact RG formulation of quantum gauge theory
Tim R. Morris
A gauge invariant Wilsonian effective action is constructed for pure SU(N) Yang-Mills theory by formulating the corresponding flow equation. Manifestly gauge invariant calculations…
Scheme independence as an inherent redundancy in quantum field theory
Jose I. Latorre, Tim R. Morris
The path integral formulation of Quantum Field Theory implies an infinite set of local, Schwinger-Dyson-like relations. Exact renormalization group equations can be cast as a parti…
Convergence of derivative expansions in scalar field theory
Tim R. Morris, John F. Tighe
The convergence of the derivative expansion of the exact renormalisation group is investigated via the computation of the beta function of massless scalar lambda phi^4 theory. The…
Gauge invariant regularisation in the ERG approach
S. Arnone, Yu. A. Kubyshin, T. R. Morris +1
A gauge invariant regularisation which can be used for non-perturbative treatment of Yang-Mills theories within the exact renormalization group approach is constructed. It consists…