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Effective Lagrangians for linearized gravity in Randall-Sundrum model
Edward E. Boos, Yuri A. Kubyshin, Mikhail N. Smolyakov +1
We construct the second variation Lagrangian for Randall-Sundrum model with two branes, study its gauge invariance, find the corresponding equations of motion and decouple them. We…
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…
Polchinski ERG equation and 2D scalar field theory
Yuri Kubyshin, Rui Neves, Robertus Potting
We investigate a -symmetric scalar field theory in two dimensions using the Polchinski exact renormalization group equation expanded to second order in the derivative expansio…
Study of Wilson loop functionals in 2D Yang-Mills theories
J. M. Aroca, Yu. A. Kubyshin
The derivation of the explicit formula for the vacuum expectation value of the Wilson loop functional for an arbitrary gauge group on an arbitrary orientable two-dimensional manifo…