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NANOSYSTEMS: PHYSICS, CHEMISTRY, MATHEMATICS, 2014, 5 (3), P. 378-383

THE ABSORPTION OF ELECTROMAGNETIC RADIATION IN A QUANTUM WIRE

V. V. Karpunin – Mordovian State Pedagogical Institute, Saransk; Mordovian State University, Saransk, Russia; karpuninvv@mail.ru
V. A. Margulis – Mordovian State University, Saransk, Russia; theorphysics@mrsu.ru

The analytical expression for the absorption coecient of the electromagnetic radiation by electrons a quantum wire is obtained. We used the fi rst-order perturbation theory. The cases of linear and circular polarization of the electromagnetic wave are investigated. The resonance character of the absorption is shown and resonant frequencies are found.

Keywords: quantum wire, electron-photon interaction, absorption coecient.

PACS 63.20.Kr,78.67.-n

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