Quasistatic and dynamic interaction of high-frequency fields with miniband electrons in semiconductor superlattices

Winnerl, Stephan; Schomburg, E.; Grenzer, J.; Regl, H.-J.; Игнатов, А. А.; Semenov, A.; Renk, K. F.; Pavel'ev, D.G.; Koschurinov, Yu.; Melzer, B.; Ustinov, V. M.; Иванов, С. В.; Schaposchnikov, S.; Kop’ev, P. S.

doi:10.1103/physrevb.56.10303

Cited by 61 publications

(35 citation statements)

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“…(1). Note that (2) can be considered as an extension of the seminal Chambers result [31], and was earlier used for consideration of the charge transport in SL with ac electric filed applied [36,37], also in the presence of a static magnetic field [38]. According to Eq.…”

Section: Semiclassical Dynamics and Directed Transportmentioning

confidence: 99%

Nonlinear dynamics and band transport in a superlattice driven by a plane wave

et al. 2017

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A quantum particle transport induced in a spatially-periodic potential by a propagating plane wave has a number important implications in a range of topical physical systems. Examples include acoustically driven semiconductor superlattices and cold atoms in optical crystal. Here we apply kinetic description of the directed transport in a superlattice beyond standard linear approximation, and utilize exact path-integral solutions of the semiclassical transport equation. We show that the particle drift and average velocities have non-monotonic dependence on the wave amplitude with several prominent extrema. Such nontrivial kinetic behaviour is related to global bifurcations developing with an increase of the wave amplitude. They cause dramatic transformations of the system phase space and lead to changes of the transport regime. We describe different types of phase trajectories contributing to the directed transport and analyse their spectral content.

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Section: Semiclassical Dynamics and Directed Transportmentioning

confidence: 99%

Nonlinear dynamics and band transport in a superlattice driven by a plane wave

et al. 2017

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“…In Ref. [31], the used SLs were of poorer quality and these effects were not seen. However, in this work authors observed the theoretically predicted strong modification of the current-voltage characteristics of the SLs subject to strong terahertz fields.…”

Section: Current-voltage Characteristics Nonlinear Conductivities Amentioning

confidence: 99%

“…[19,20,30,31] for harmonic and static fields and in Refs. [15,19] for the components of the biharmonic field (with and without the static component).…”

Section: Current-voltage Characteristics Nonlinear Conductivities Amentioning

confidence: 99%

“…Instead, for numerical calculations we use the following integral expression for the partial current obtained from Eqs. (21,24,25,31,33): is linearly non-parametrically amplified at E c = 0. Because the coupling between the field amplitudes g 1 and g 2 is strongly nonlinear in the DL region at δ = π/2 (see Fig.…”

Section: Peculiarities Of the Interaction Between The Fields With Mulmentioning

confidence: 99%

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Electron Bloch oscillations and electromagnetic transparency of semiconductor superlattices in multi-frequency electric fields

2009

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We examine phenomenon of electromagnetic transparency in semiconductor superlattices (having various miniband dispersion laws) in the presence of multi-frequency periodic and nonperiodic electric fields. Effects of induced transparency and spontaneous generation of static fields are discussed. We paid a special attention on a self-induced electromagnetic transparency and its correlation to dynamic electron localization. Processes and mechanisms of the transparency formation, collapse, and stabilization in the presence of external fields are studied.In particular, we present the numerical results of the time evolution of the superlattice current in an external biharmonic field showing main channels of transparency collapse and its partial stabilization in the case of low electron density superlattices.

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“…1(c). [48][49][50], i.e., for 2πf τ 1, where f is the frequency of an electric field applied. We note that for the value of τ used in our model this adiabatic limit spans up to several hundred GHz.…”

Section: Mathematical Modelmentioning

confidence: 99%