Summary
In this paper the Schroedinger equation, involving a confining linear and/or quadratic, plus a short-range Coulomb-type attractive potential, is solved to second order. This simulates, for example, the two-quark system. A special case is also discussed where, to second order, the exact, analytical result can be obtained for a particular confining linear plus attractive Coulomb-type potential.
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Mavromatis, H.A. Linear and/or quadratic confinement, plus short-range Coulomb-type attraction: A second-order analysis. Nuovo Cimento B 110, 793–799 (1995). https://doi.org/10.1007/BF02820147
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DOI: https://doi.org/10.1007/BF02820147