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Spontaneous DC current generation in a resistively shunted semiconductor superlattice driven by a TeraHertz field

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posted on 2006-04-12, 12:44 authored by Kirill Alekseev, E.H. Cannon, J.C. McKinney, Feodor Kusmartsev, D.K. Campbell
We study a resistively shunted semiconductor superlattice subject to a high-frequency electric field. Using a balance equation approach that incorporates the influence of the electric circuit, we determine numerically a range of amplitude and frequency of the ac field for which a dc bias and current are generated spontaneously and show that this region is likely accessible to current experiments. Our simulations reveal that the Bloch frequency corresponding to the spontaneous dc bias is approximately an integer multiple of the ac field frequency.

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  • Science

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  • Physics

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553216 bytes

Publication date

1997

Notes

This is a pre-print. It is also available at: http://arxiv.org/abs/cond-mat/9709026.

Language

  • en

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