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- Title
Aharonov–Bohm rings in de Sitter expanding universe.
- Authors
Cotăescu, Ion I.
- Abstract
The (1 + 3) -dimensional Dirac equation of the fermions moving in ideal Aharonov–Bohm rings in the de Sitter expanding universe is used for deriving the exact expressions of the general relativistic partial currents and corresponding energies. In the de Sitter geometry, these quantities depend on time but these are related each other just as in the non-relativistic case or in special relativity. A specific relativistic effect is the saturation of the partial currents for high values of the total angular momentum. The total relativistic persistent current at T = 0 takes over this property even though it is evolving in time because of the de Sitter expansion.
- Subjects
EXPANDING universe; DIRAC equation; ANGULAR momentum (Mechanics); FERMIONS
- Publication
General Relativity & Gravitation, 2019, Vol 51, Issue 6, pN.PAG
- ISSN
0001-7701
- Publication type
Article
- DOI
10.1007/s10714-019-2553-y