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.

arXiv comment4 pages, 1 figure. Accepted for publication in International Journal of Modern Physics A

References in corpus (9)

• Strongly coupled quantum field theory
• Neutral Bound States in Kink-like Theories
• Green Function Method for Nonlinear Systems
• Comparison of perturbative RG theory with lattice data for the 4d Ising model
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Cited by in corpus (3)

• Exact solutions of classical scalar field equations
• Green's functions for higher order nonlinear equations
• Screening masses in quenched (2+1)d Yang-Mills theory: universality from dynamics?