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Kinks and Particles in Non-integrable Quantum Field Theories

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New Trends in Mathematical Physics

Abstract

In this talk we discuss an elementary derivation of the semi-classical spectrum of neutral particles in two field theories with kink excitations. We also show that, in the non-integrable cases, each vacuum state cannot generically support more than two stable particles, since all other neutral excitations are resonances, which will eventually decay.

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Author information

Authors and Affiliations

  1. International School for Advanced Studies, Via Beirut 1, 34013, Trieste, Italy

    Giuseppe Mussardo

  2. Istituto Nazionale di Fisica Nucleare, Sezione di Trieste, Trieste, Italy

    Giuseppe Mussardo

Authors
  1. Giuseppe Mussardo
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Correspondence to Giuseppe Mussardo .

Editor information

Editors and Affiliations

  1. Instituto de Matemática Pura e Aplicada (IMPA), Estrada Dona Castorina 110, Rio de Janeiro, RJ, Brazil

    Vladas Sidoravičius

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Mussardo, G. (2009). Kinks and Particles in Non-integrable Quantum Field Theories. In: Sidoravičius, V. (eds) New Trends in Mathematical Physics. Springer, Dordrecht. https://doi.org/10.1007/978-90-481-2810-5_34

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