Astronomy and Astrophysics – Astrophysics – General Relativity and Quantum Cosmology
Scientific paper
2002-09-09
Phys.Rev. D66 (2002) 105011
Astronomy and Astrophysics
Astrophysics
General Relativity and Quantum Cosmology
17 pages, LATEX file
Scientific paper
10.1103/PhysRevD.66.105011
We consider a hydrogen atom in the background spacetimes generated by an infinitely thin cosmic string and by a point-like global monopole. In both cases, we find the solutions of the corresponding Dirac equations and we determine the energy levels of the atom. We investigate how the geometric and topological features of these spacetimes leads to shifts in the energy levels as compared with the flat Minkowski spacetime.
Bezerra Valdir B.
de Marques Geusa A.
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