Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2009-04-03
Phys.Rev.A80:012109, 2009
Physics
High Energy Physics
High Energy Physics - Theory
15 pages, 3 tables
Scientific paper
We obtain an exact solution of the Dirac equation in (2+1)-dimensions in the presence of a constant magnetic field normal to the plane together with a two-dimensional Dirac-oscillator potential coupling. The solution space consists of a positive and negative energy solution, each of which splits into two disconnected subspaces depending on the sign of an azimuthal quantum number, k = 0, \pm 1, \pm 2,... and whether the cyclotron frequency is larger or smaller than the oscillator frequency. The spinor wavefunction is written in terms of the associated Laguerre polynomials. For negative k, the relativistic energy spectrum is infinitely degenerate due to the fact that it is independent of k. We compare our results with already published work and point out the relevance of these findings to a systematic formulation of the relativistic quantum Hall effect in a confining potential.
Alhaidari Abdulaziz D.
Bahlouli Hocine
Jellal Ahmed
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