MAGNETICALLY CONTROLLED TERAHERTZ ABSORPTION AND EMISSION IN CARBON NANOTUBES

Author:

PORTNOI M. E.1,ROSENAU DA COSTA M.2,KIBIS O. V.3,SHELYKH I. A.4

Affiliation:

1. School of Physics, University of Exeter, Stocker Road, Exeter EX4 4QL, United Kingdom

2. International Center for Condensed Matter Physics, Universidade de Brasília, 70904-970 Brasília-DF, Brazil

3. Department of Applied and Theoretical Physics, Novosibirsk State Technical University, Novosibirsk 630092, Russia

4. Science Department, University of Iceland, Dunhaga 3, IS-107, Reykjavik, Iceland

Abstract

We show that an experimentally attainable magnetic field applied along the axis of a metallic carbon nanotube not only opens the gap in the nanotube energy spectrum but also allows optical transitions, which are forbidden in the absence of the field. Possible terahertz applications of this effect are discussed.

Publisher

World Scientific Pub Co Pte Lt

Subject

Condensed Matter Physics,Statistical and Nonlinear Physics

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