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Coherent cyclotron motion beyond Kohn's theorem

Autor: Maag, T., Bayer, A., Baierl, S., Hohenleutner, M., Korn, T., Schüller, C., Schuh, D., Bougeard, D., Lange, C., Mootz, R. Huber M., Sipe, J. E., Koch, S. W., Kira, M.

In solids, the high density of charged particles makes many-body interactions a pervasive principle governing optics and electronics[1-12]. However, Walter Kohn found in 1961 that the cyclotron resonance of Landau-quantized electrons is independent o

Externí odkaz: http://arxiv.org/abs/1606.00650

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Extremely Nonperturbative Nonlinearities in GaAs Driven by Atomically Strong Terahertz Fields in Gold Metamaterials

Autor: Lange, C., Maag, T., Hohenleutner, M., Baierl, S., Schubert, O., Edwards, E., Bougeard, D., Woltersdorf, G., Huber, R.

Publikováno v: Phys. Rev. Lett. 113, 227401 (2014)

Terahertz near fields of gold metamaterials resonant at a frequency of $0.88\,\rm THz$ allow us to enter an extreme limit of non-perturbative ultrafast THz electronics: Fields reaching a ponderomotive energy in the keV range are exploited to drive no

Externí odkaz: http://arxiv.org/abs/1604.04107

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