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Relativistic treatment of harmonics from impurity systems in quantum wires

O.A. Castro-Alvaredo
(
- Freie U., Berlin
)
,
A. Fring
(
- Freie U., Berlin
)
,
C. Figueira De Morisson Faria
(
- Max Born Inst., Berlin and
- Vienna, Tech. U.
)

Aug, 2002

8 pages

Published in:

Phys.Rev.B 67 (2003) 125405

e-Print:

cond-mat/0208128 [cond-mat]

DOI:

10.1103/PhysRevB.67.125405

View in:

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Abstract: (arXiv)

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 omega to such an impurity system, one may generate harmonics of multiples of the driving frequency. In a multiple defect system one may employ the distance between the defects in order to tune the cut-off frequency.

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