17 citations · 45 across the 11 of their papers we have counts for
11 papers
Quantum Extremism: Effective Potential and Extremal Paths
E. N. Argyres, M. T. M. van Kessel, R. H. P. Kleiss
The reality and convexity of the effective potential in quantum field theories has been studied extensively in the context of Euclidean space-time. It has been shown that canonical…
Majoranized Feynman rules
R. Kleiss, I. Malamos, G. v. d. Oord
We point out that the compact Feynman rules for Majorana fermions proposed by Denner et al. are in fact a convention for the complex phases of (anti)spinors, valid for both Majoran…
Recursive actions for scalar theories
C. Dams, R. Kleiss, P. Draggiotis +3
We introduce a class of self-interacting scalar theories in which the various coupling contants obey a recursive relation. These imply a particularly simple form for the generating…
Counting tree diagrams: asymptotic results for QCD-like theories
P. D. Draggiotis, R. Kleiss
We discuss the enumeration of Feynman diagrams at tree order for processes with external lines of different types. We show how this can be done by iterating algebraic Schwinger-Dys…
Zero-dimensional field theory
E. N. Argyres, A. F. W. van Hameren, R. H. P. Kleiss +1
A study of zero-dimensional theories, based on exact results, is presented. First, relying on a simple diagrammatic representation of the theory, equations involving the generating…
Generating QCD-antennas
A. van Hameren, R. Kleiss
An extension of the SARGE-algorithm of \cite{HKD} is introduced, which includes the incoming momenta in the kinematical pole structure of the density with which the momenta are gen…