The Path-Integral Approach to the N=2 Linear Sigma Model

Details The Path-Integral Approach to the N=2 Linear Sigma Model The Path-Integral Approach to the N=2 Linear Sigma Model

2009-01-23

arxiv.org/abs/0901.3700v1

Eur.Phys.J.C64:319-349,2009

Physics

High Energy Physics

High Energy Physics - Theory

2 figures

Scientific paper

10.1140/epjc/s10052-009-1131-y

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 yield different effective potentials. In this paper we investigate this for the Euclidean N=2 linear sigma model. Both the Green's functions and the effective potential will be computed in three different ways. The relative merits of the various approaches are discussed.

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