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- New phenomenon of nonlinear Regge trajectory and quantum dual string theory
- University of Helsinki
- Universidade Estadual Paulista (UNESP)
- The relation between the spin and the mass of an infinite number of particles in a q-deformed dual string theory is studied. For the deformation parameter q a root of unity, in addition to the relation of such values of q with the rational conformal field theory, the Fock space of each oscillator mode in the Fubini-Veneziano operator formulation becomes truncated. Thus, based on general physical grounds, the resulting spin-(mass)2 relation is expected to be below the usual linear trajectory. For such specific values of q, we find that the linear Regge trajectory turns into a square-root trajectory as the mass increases.
- Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, v. 341, n. 2, p. 147-152, 1994.
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