Phys. Rev. D 66, 105011 (2002) [8 pages]Hydrogen atom in the gravitational fields of topological defectsReceived 15 February 2002; published 19 November 2002 We consider a hydrogen atom in the background spacetimes generated by an infinitely thin cosmic string and by a pointlike 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 lead to shifts in the energy levels as compared with the flat Minkowski spacetime. © 2002 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevD.66.105011
DOI:
10.1103/PhysRevD.66.105011
PACS:
03.65.Ge, 03.65.Nk, 14.80.Hv
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