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Algebraic solution of an anisotropic nonquadratic potential
(Physics Letters A, 1990-10-08) [Artigo]
We show that an anisotropic nonquadratic potential, for which a path integral treatment has been recently discussed in the literature, possesses the SO(2, 1) ⊗SO(2, 1) ⊗SO(2, 1) dynamical symmetry, and construct its Green ...
Glueballs as intermediate states in hadronic transitions
(Zeitschrift fur Physik C: Particles and Fields, 1990-09-01) [Artigo]
Hadronic transitions rates in the heavy quarkonium systems are calculated within the framework of the QCD multipole expansion. The spectrum of glueballs consisting of two massive gluons, obtained by the use of the potential ...
Exact propagator beyond and at caustics for isotropic time-dependent coupled and driven oscillators
(Physics Letters A, 1990-04-30) [Artigo]
Through a sequence of transformations we relate the propagator for the system of isotropic time-dependent, coupled and driven oscillators with time-varying mass, with those of free particles. We then derive the wave functions ...