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Relativistic treatment of harmonics from impurity systems in quantum wires

Castro-Alvaredo, O. and Fring, A. (2003). Relativistic treatment of harmonics from impurity systems in quantum wires. Physical Review B (PRB), 67(12), 125405-. doi: 10.1103/PhysRevB.67.125405

Abstract

Within a one-particle approximation of the Dirac equation we investigate a defect system in a quantum wire. We demonstrate that by minimally coupling a laser field of frequency ω to such an impurity system, one may generate harmonics of multiples of the incoming frequency. In a double defect system one may use the distance between the defects in order to tune the cutoff frequency.

Publication Type: Article
Additional Information: © 2003 The American Physical Society
Subjects: Q Science > QC Physics
Departments: School of Mathematics, Computer Science & Engineering > Mathematics
URI: http://openaccess.city.ac.uk/id/eprint/717
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