Green Function Method for Nonlinear Systems

Abstract

We show that a Green function solution can be given for a class of non-homogeneous nonlinear systems having relevance in quantum field theory. This in turn means that a quantum field theory in the strong coupling limit can be formulated and the spectrum obtained.

5 pages, 3 figures. Corrected typos. Accepted for publication in Modern Physics Letters A

References in corpus (4)

• Strongly coupled quantum field theory
• Strong coupling expansion for general relativity
• Dual perturbation expansion for a classical $\lambda {\varphi }^4$ field theory
• Infrared analysis of quantum field theories

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