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Article
Open AccessInterference Transport in a Two-Dimensional Topological Insulator in a CdHgTe Quantum Well
Interference transport in mesoscopic samples of a two-dimensional topological insulator in CdHgTe quantum wells is studied for the first time. It is established that quasi-ballistic edge transport in such an i...
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Article
Open AccessErratum to: Several Articles in JETP Letters
An Erratum to this paper has been published: https://doi.org/10.1134/S0021364022390023
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Article
Open AccessErratum to: Several Articles in JETP Letters
An Erratum to this paper has been published: https://doi.org/10.1134/S0021364022340045
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Article
Open AccessSpectral Maximum in the Terahertz Photoconductance of a Quantum Point Contact
The disappearance of the giant terahertz photoconductance of a quantum point contact under the increase in the photon energy, which was discovered experimentally (Otteneder et al., Phys. Rev. Appl. 10, 014015 (20...
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Article
Open AccessEdge and Bulk Transport in a Two-Dimensional Topological Insulator Based on a CdHgTe Quantum Well
The transport response of a CdHgTe quantum well with a thickness of 11.5 nm is investigated. The behavior of the local and nonlocal resistance in the temperature range from 0.1 to 20 K is examined. It is shown...
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Article
Open AccessCorrection to: Impact Ionization Induced by Terahertz Radiation in HgTe QuantumWells of Critical Thickness
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Article
Anderson Localization in a Two-Dimensional Electron–Hole System
Anderson localization is discovered in a highly disordered two-dimensional electron–hole system in a HgTe quantum well. The behavior of this localization is fundamentally different from that observed in widely...
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Article
Low-Frequency Microwave Response of a Quantum Point Contact
The low-frequency microwave photoconductance of a short (100 nm) quantum point contact based on a high-mobility two-dimensional electron gas in the frequency range of 2–3 GHz is investigated for the first time...
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Article
Two-Dimensional Semimetal HgTe in 14-nm-Thick Quantum Wells
A two-dimensional semimetal is discovered in the (013) HgTe quantum well with a thickness of d = 14 nm, which is much smaller than those previously studied. It is found that such semimetal is characterized by the...
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Article
Photon-Stimulated Transport in a Quantum Point Contact (Brief Review)
Studies of photon-stimulated transport through a quantum point contact based on a high-mobility two-dimensional electron gas in a GaAs quantum well are reviewed. This review includes a brief historical introdu...
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Article
Open AccessImpact Ionization Induced by Terahertz Radiation in HgTe Quantum Wells of Critical Thickness
We report on the observation of terahertz (THz) radiation induced band-to-band impact ionization in HgTe quantum well (QW) structures of critical thickness, which are characterized by a nearly linear energy di...
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Article
Photo- and Thermoelectric Phenomena in Two-Dimensional Topological Insulators and Semimetals Based on HgTe Quantum Wells (Scientific Summary)
Experimental studies of photo- and thermoelectric phenomena in two-dimensional topological insulators and semimetals based on HgTe quantum wells have been briefly reviewed.
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Article
Open AccessAnomalous Decay of Quantum Resistance Oscillations of 2D Helical Electrons in Magnetic Field
Shubnikov de Haas resistance oscillations of highly mobile two dimensional helical electrons propagating on a conducting surface of strained HgTe 3D topological insulator are studied in magnetic fields B tilted b...
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Article
Open AccessStokes flow around an obstacle in viscous two-dimensional electron liquid
The electronic analog of the Poiseuille flow is the transport in a narrow channel with disordered edges that scatter electrons in a diffuse way. In the hydrodynamic regime, the resistivity decreases with tempe...
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Article
Microwave Photoresistance of a Two-Dimensional Topological Insulator in a HgTe Quantum Well
The microwave photoresistance of a two-dimensional topological insulator in a HgTe quantum well with an inverted spectrum has been experimentally studied under irradiation at frequencies of 110–169 GHz. Two me...
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Article
Photon-Assisted Electron Transmission through a Quantum Point Contact
The theory of coherent photon-assisted electron transmission through a one-dimensional smooth barrier is successfully used to model the results of measuring the terahertz photoconductivity of a tunneling point...
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Article
Open AccessElectronic thermal conductivity in 2D topological insulator in a HgTe quantum well
We have measured the differential resistance in a two-dimensional topological insulator (2DTI) in a HgTe quantum well, as a function of the applied dc current. The transport near the charge neutrality point is...
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Article
Gapless Dirac Electron Mobility and Quantum Time in HgTe Quantum Wells
The mobility and quantum time of Dirac electrons in HgTe quantum wells with near-critical thickness corresponding to the transition from the direct to inverted spectrum are experimentally and theoretically inv...
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Article
Steps of the Giant Terahertz Photoconductance of a Tunneling Point Contact
The photoresponse of the conductance of a tunneling quantum point contact to irradiation in the frequency range of 0.5–1.7 THz has been simulated within the theory of photon-assisted tunneling. The simulation ...
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Article
Terahertz Cyclotron Photoconductivity in a Highly Unbalanced Two-Dimensional Electron–Hole System
Terahertz cyclotron-resonance photoconductivity in a two-dimensional electron–hole system under conditions where the cyclotron resonance occurs owing to the absorption of radiation by electrons whose density i...
