Physics – Quantum Physics
Scientific paper
2008-05-30
J.Math.Phys.50:032301,2009
Physics
Quantum Physics
4 p
Scientific paper
10.1063/1.3089583
The dynamical symmetries of the two-dimensional Klein-Gordon equations with equal scalar and vector potentials (ESVP) are studied. The dynamical symmetries are considered in the plane and the sphere respectively. The generators of the SO(3) group corresponding to the Coulomb potential, and the SU(2) group corresponding to the harmonic oscillator potential are derived. Moreover, the generators in the sphere construct the Higgs algebra. With the help of the Casimir operators, the energy levels of the Klein-Gordon systems are yielded naturally.
Chen Jing-Ling
Zhang Fu-Lin
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