V.A.Kudryavtsev (PNPI)

 

New composite superconformal string model with two scales and unification of fundamental interactions

 

New approach to composite superconformal strings is suggested. This string model has two scales: first one (~1Gev)for edging two-dimensional surfaces and second one (Planckean) for ridge surfaces. Nonlinear realization of superconformal two-dimensional symmetry on edging surfaces leads to superconverging one-loop planar diagrams. Hadron amplitudes of nucleon interactions and some features of hadron spectrum are discussed. A possibility of unified theory of fundamental interactions on the basis of this model is considered