Charged particle in the field an electric quadrupole in two dimensions

Details Charged particle in the field an electric quadrupole in two dimensions Charged particle in the field an electric quadrupole in two dimensions

2007-09-22

arxiv.org/abs/0709.3580v1

J. Phys. A: Math. Theor. 40 (2007) 14843--14855

Physics

Atomic Physics

16 pages, 2 Tables, 4 Figures

Scientific paper

10.1088/1751-8113/40/49/016

We obtain analytic solution of the time-independent Schrodinger equation in two dimensions for a charged particle moving in the field of an electric quadrupole. The solution is written as a series in terms of special functions that support a tridiagonal matrix representation for the angular and radial components of the wave operator. This solution is for all energies, the discrete (for bound states) as well as the continuous (for scattering states). The expansion coefficients of the wavefunction are written in terms of orthogonal polynomials satisfying three-term recursion relations. The charged particle could become bound to the quadrupole only if its moment exceeds a certain critical value.

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