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World Scientific Publishing, International Journal of Modern Physics A, 29(22), p. 5345-5350

DOI: 10.1142/s0217751x07037986

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Spectrum in the Broken Phase of a λϕ4 Theory

Journal article published in 2007 by Marco Frasca
This paper is available in a repository.
This paper is available in a repository.

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Abstract

We derive the spectrum in the broken phase of a λϕ4 theory, in the limit λ→∞, showing that this goes as even integers of a renormalized mass in agreement with recent lattice computations.