Wednesday, May 9, 2012

1205.1763 (Peter Orland)

Summing Planar Diagrams by an Integrable Bootstrap II    [PDF]

Peter Orland
We continue our investigation of correlation functions of the large-N (planar) limit of the (1+1)-dimensional principal chiral sigma model, whose bare field U(x) lies in the fundamental matrix representation of SU(N). We find all the form factors of the renormalized field. An exact formula for Wightman and time-ordered correlation functions is found.
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