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Optimization of electron pumping by harmonic mixing

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2011

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Grossmann, Frank

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https://doi.org/10.1103/PhysRevB.83.205310
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http://arxiv.org/abs/1012.4663v2

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Physical Review B. American Physical Society (APS). 2011, 83(20), 205310. ISSN 1098-0121. eISSN 1550-235X. Available under: doi: 10.1103/PhysRevB.83.205310

Zusammenfassung

For a symmetric bridge coupled to infinite leads, in the presence of a dipole-coupled external ac field with harmonic mixing, we solve the Schrödinger equation in the time domain using open boundary conditions as well as in the energy domain using Floquet scattering theory. As this potential breaks parity and generalized parity, we find a nonvanishing average current. We then optimize the relative amplitude ratio between the fundamental and the second harmonic, leading to a maximum in the pump current.

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ISO 690ROHLING, Niklas, Frank GROSSMANN, 2011. Optimization of electron pumping by harmonic mixing. In: Physical Review B. American Physical Society (APS). 2011, 83(20), 205310. ISSN 1098-0121. eISSN 1550-235X. Available under: doi: 10.1103/PhysRevB.83.205310
BibTex
@article{Rohling2011Optim-50929,
  year={2011},
  doi={10.1103/PhysRevB.83.205310},
  title={Optimization of electron pumping by harmonic mixing},
  number={20},
  volume={83},
  issn={1098-0121},
  journal={Physical Review B},
  author={Rohling, Niklas and Grossmann, Frank},
  note={Article Number: 205310}
}
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