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Fractional and unquantized dc voltage generation in THz-driven semiconductor superlattices

preprint
posted on 2006-04-12, 15:58 authored by Kirill Alekseev, E.H. Cannon, Feodor Kusmartsev, D.K. Campbell
We consider the spontaneous creation of a dc voltage across a strongly coupled semiconductor superlattice subjected to THz radiation. We show that the dc voltage may be approximately proportional either to an integer or to a half- integer multiple of the frequency of the applied ac field, depending on the ratio of the characteristic scattering rates of conducting electrons. For the case of an ac field frequency less than the characteristic scattering rates, we demonstrate the generation of an unquantized dc voltage.

History

School

  • Science

Department

  • Physics

Pages

637469 bytes;654755 bytes;641123 bytes

Publication date

2004

Notes

This is a pre-print. It is also available at: http://arxiv.org/abs/cond-mat/0103608. There are two previous versions also available (2001).

Language

  • en

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