Abstract
We consider the problem of a relativistic particle with position-dependent mass in the presence of a Coulomb and a scalar potentials in the background spacetime generated by a cosmic string. The scalar potential arises from the self-interaction potential which is induced by the conical geometry of the spacetime under consideration. We find the solution of the corresponding Dirac equation and determine the energy spectrum of the particle. The behavior of the energy levels on the parameters associated with the presence of the cosmic string and with the fact that the mass of the particle depends on its position is also analyzed.
Original language | English |
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Article number | 1350137 |
Journal | Modern Physics Letters A |
Volume | 28 |
Issue number | 31 |
DOIs | |
State | Published - 10 Oct 2013 |
Keywords
- Conical spacetime
- Dirac equation
- Position-dependent mass