DNA-based tunable THz oscillator

Details DNA-based tunable THz oscillator DNA-based tunable THz oscillator

2008-09-16

arxiv.org/abs/0809.2737v1

J. Lumin. 129, 1779 (2009)

Physics

Condensed Matter

Materials Science

7 pages, Proceedings of the International Conference on Luminescence - ICL'08, July 7-11, Lyon, France

Scientific paper

10.1016/j.jlumin.2009.01.023

The intrinsic double helix conformation of the DNA strands is known to be the key ingredient of control of the electric current through the DNA by the perpendicular (gate) electric field. We show theoretically that Bloch oscillations in the DNA are also strongly affected by such lateral field; the oscillation frequency splits into a manifold of several generally non-commensurate frequencies leading to a complicated pattern of the charge motion. The frequency of the oscillations falls in the THz domain, providing for a possibility to design a nano-scale source of THz radiation.

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