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Showing 2009 · hep-thShow all
3 papers · 2 filters
hep-th2009★ 68 cited
Recursive relations in the core Hopf algebra
Dirk Kreimer, Walter D. van Suijlekom
We study co-ideals in the core Hopf algebra underlying a quantum field theory.
hep-th2009★ 3 cited
The Path-Integral Approach to the N=2 Linear Sigma Model
E. N. Argyres, M. T. M. van Kessel, R. H. P. Kleiss
In QFT the effective potential is an important tool to study symmetry breaking phenomena. It is known that, in some theories, the canonical approach and the path-integral approach…
hep-th2009★ 5 cited
Path Integrals in Polar Field Variables in QFT
E. N. Argyres, C. G. Papadopoulos, R. H. P. Kleiss +1
We show how to transform a -dimensional Euclidean path integral in terms of two (Cartesian) fields to a path integral in terms of polar field variables. First we present a conje…