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Gonzalez-Santander, C. ; Apostolova, T. ; Domínguez-Adame Acosta, Francisco | IOP Publishing Ltd. | 2013-08-21We calculate the binding energy of on-and off-center hydrogenic impurities in a parabolic quantum dot subjected to an intense high-frequency laser field. An exactly solvable model that replaces the actual Coulomb interaction with the donor by a [...]texto impreso
Amado, M. ; Lima, R. P. A. ; Gonzalez-Santander, C. ; Domínguez-Adame Acosta, Francisco | American Physical Society | 2007-08We theoretically study donor-bound electron states in two-dimensional quantum rings of finite width. A strong magnetic field is applied perpendicular to the plane of the quantum ring. The resulting electronic states are obtained within the effec[...]texto impreso
We analyze the exciton states in a quantum wire under intense laser radiation. Electrons and holes are confined by the parabolic potential of the quantum wire. An exactly solvable model is introduced for calculating the exciton binding energy, r[...]texto impreso
Gonzalez-Santander, C. ; Domínguez-Adame Acosta, Francisco ; Hilke, M. ; Roemer, R. A. | EPL Association, European Physical Society | 2013-10We show that electron states in disordered graphene, with an onsite potential that induces inter-valley scattering, are localised for all energies at disorder as small as 1/6 of the band width of clean graphene. We clarify that, in order for thi[...]texto impreso
We calculate the energy levels of two particles trapped in a harmonic potential. The actual two-body potential, assumed to be spherically symmetric, is replaced by a projective operator (non-local separable potential) to determine the energy lev[...]
