Optical Transitions 1S–2Px between Lowest States of a Shallow Impurity in Graphene Monolayer

The binding energy of the ground and first excited states of a hydrogen-like impurity electron in monolayer graphene is studied by a variational approach. It is shown that the binding energies of the impurity electron can be tuned by changing the value of the gap and the effective fine structure con...

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Bibliographic Details
Published in:Journal of contemporary physics 2024-06, Vol.59 (2), p.165-171
Main Authors: Djotyan, A. P., Avetisyan, A. A.
Format: Article
Language:English
Subjects:
Binding energy
Dipoles
Electron transitions
Excitation
Fine structure
Graphene
Impurities
Monolayers
Particle and Nuclear Physics
Physics
Physics and Astronomy
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Summary:The binding energy of the ground and first excited states of a hydrogen-like impurity electron in monolayer graphene is studied by a variational approach. It is shown that the binding energies of the impurity electron can be tuned by changing the value of the gap and the effective fine structure constant. An analytical expression for the dipole matrix element of the electron transition from the ground to the first excited state of a hydrogen-like impurity in graphene is found.
ISSN:1068-3372
1934-9378
DOI:10.1134/S1068337224700245