Multiparticle Form Factors of the Principal Chiral Model At Large N [PDF]
Axel Cortés CuberoWe study the sigma model with $SU(N)\times SU(N)$ symmetry in 1+1 dimensions. The two- and four-particle form factors of the Noether current operators are found, by combining the integrable-bootstrap method with the large-$N$ expansion.View original: http://arxiv.org/abs/1205.2069
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