Spectrum in the broken phase of a $\lambda {\varphi }^4$ theory

Abstract

We derive the spectrum in the broken phase of a $\lambda {\varphi }^4$ theory, in the limit $\lambda \to \infty$, showing that this goes as even integers of a renormalized mass in agreement with recent lattice computations.

4 pages, 1 figure. Accepted for publication in International Journal of Modern Physics A

References in corpus (5)

• Neutral Bound States in Kink-like Theories
• Green Function Method for Nonlinear Systems
• A strongly perturbed quantum system is a semiclassical system
• Proof of triviality of $\lambda {\varphi }^4$ theory
• Infrared analysis of quantum field theories