Abstract
The hydrogen atom in two dimensions, described by a Schrödinger equation with a Chern-Simons potential, is numerically solved. Both its wavefunctions and eigenvalues were determined for small values of the principal quantum number n. The only possible states correspond to l = 0. How the result depends on the topological mass of the photon is also discussed. In the case n = 1, the energy of the fundamental state, corresponding to different choice for the photon mass scale, are found to be comprehended in the interval −3.5 × 10-3 eV ≤ E ≤ −9.0 × 10−2 eV, corresponding to a mean radius of the electron in the range (5.637 ± 0.005) × 10−8 cm ≤ ⟨r⟩ ≤ (48.87 ± 0.03) × 10-8 cm. In any case, the planar atom is found to be very weekly bounded showing some features similar to the Rydberg atoms in three dimensions with a Coulombian interaction.
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Caruso, F., Helayël-Neto, J.A., Martins, J. et al. Effects on the non-relativistic dynamics of a charged particle interacting with a Chern-Simons potential. Eur. Phys. J. B 86, 324 (2013). https://doi.org/10.1140/epjb/e2013-40282-1
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DOI: https://doi.org/10.1140/epjb/e2013-40282-1