Particle structure analysis of soliton sectors in massive lattice field theories
Copyright policy )Particle structure analysis of soliton sectors in massive lattice field theories
We discuss the particle structure in the soliton sectors of massive lattice field theories by means of convergent cluster expansions. In several models we prove that the soliton field operator with lowest charge couples the vacuum to a stable one-particle state, in a suitable region of the coupling parameter space. Both local and stringlike solitons are analyzed. We also show that the mass of the local soliton equals the surface tension.
- University of Padua Italy
81E08, Applications of global analysis to the sciences, particle structure, Spectral problems; spectral geometry; scattering theory on manifolds, cluster expansions, soliton sectors, lattice field theories, 81E25, soliton field operator, Quantum field theory on lattices, 81E13
81E08, Applications of global analysis to the sciences, particle structure, Spectral problems; spectral geometry; scattering theory on manifolds, cluster expansions, soliton sectors, lattice field theories, 81E25, soliton field operator, Quantum field theory on lattices, 81E13
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