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  • Сверхпроводящие фазы и вторая джозефсоновская гармоника в туннельных контактах между диффузными сверхпроводниками
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News
October 19, 2026
'Cultural Studies Seeks to Understand What Lies Beneath the Surface of Everyday Things'
Maxim Zhiganov has been exploring different aspects of sound for many years—first in relation to his native Perm and then on a broader, global scale. In this interview for the HSE Young Scientists project, he talks about sound maps, the special issue of the journal Logos, and why it is important to make the familiar less clear and obvious.
October 14, 2026
At HSE University–St Petersburg, Experts Discuss How AI Changes Tourist Routes and Cultural Heritage
Neural networks are no longer simple travel assistants; now they decide what to include on the route and what to skip. Artificial intelligence changes how people perceive a place and shapes the image of tourist centres. At the II International Scientific and Practical Conference ’Information Technologies in the Preservation and Promotion of Cultural Heritage,’ researchers discussed who controls algorithmic solutions and in what ways, and whether authentic traditions get lost in them.
October 12, 2026
Road Injuries Leading Cause of Death Among Men Aged 10 to 39
Worldwide, road injuries are the leading cause of death among males aged 10–39. An international team of researchers reached this conclusion as part of the Global Burden of Disease Study 2023, analysing data from 204 countries between 1990 and 2023. Their findings have been published in The Lancet Public Health, with HSE University Professor Vasily Vlassov listed among the collaborators.

 

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Сверхпроводящие фазы и вторая джозефсоновская гармоника в туннельных контактах между диффузными сверхпроводниками

С. 108–109.
Осин А. С., Fominov Y.
Language: Russian
Keywords: эффект ДжозефсонаJosephson effect
Publication based on the results of:
Theoretical and experimental research in condensed-matter physics (2022)

In book

Труды XXVI Международного симпозиума «Нанофизика и наноэлектроника»
Т. 1. , Н. Новгород: Издательство Нижегородского университета, 2022.
Similar publications
Dissipative quantum mechanics of Andreev bound states
Zaikin A., Kalenkov M. S., Physical Review B: Condensed Matter and Materials Physics 2026 Vol. 114 Article 214502
We propose a microscopic scheme that allows to describe ac Josephson effect in superconducting junctions in terms of dissipative quantum dynamics of subgap Andreev bound states. This approach is particularly useful for highly transparent junctions at subgap bias voltages in which case a nontrivial combination of Landau-Zener tunneling between Andreev levels and their instability due to quasiparticle escape ...
Added: October 18, 2026
Landau-Zener Tunneling and Quantum Interference of Andreev States
Zaikin A., Kalenkov M. S., Physical Review Letters 2026 Vol. 137 Article 076004
With the aid of a microscopic theory we derive an effective Hamiltonian that controls quantum dynamics of Andreev states in superconducting nanojunctions out of equilibrium. Resolving the corresponding Schrödinger-like equation we obtain the “wave functions” for Andreev levels and evaluate electric current across the junction in the presence of an external voltage bias.We demonstrate that quantum interference of Andreev ...
Added: October 18, 2026
Direct evidence of the quasiparticle conversion length in proximity Josephson junctions
Bakurskiy S. V., Skryabina O. V., Ruzhickiy V. I. et al., Physical Review B: Condensed Matter and Materials Physics 2026 Vol. 113 P. 134509-1–134509-10
The miniaturization of superconducting electronics demands precise control over quasiparticle dynamics at the nanoscale. Understanding and controlling quasiparticle dynamics is essential for advancing superconducting electronics, particularly as device dimensions approach the nanoscale. Here we present direct experimental evidence for the quasiparticle-to-supercurrent conversion in planar SN-N-NS Josephson nanobridges with submicron electrodes. By employing a versatile measurement ...
Added: July 2, 2026
Proximity-effect engineering in aluminum-based planar Josephson junctions with intrinsic superconductivity
Polevoy K. B., Bakurskiy S. V., Ruzhickiy V. I. et al., Physical Review Applied 2026 Vol. 25 P. 024030-1–024030-12
We present a comprehensive study of planar Nb-Al-Nb Josephson junctions with submicrometer dimen sions (L ≈ 100 nm, active area of approximately 5 × 104 nm2), where the intrinsic superconductivity of the aluminum weak link plays a crucial role in enhancing device performance. Through a combi nation of theoretical modeling and experimental characterization, we demonstrate ...
Added: July 2, 2026
The Physics of Superconductor–Ferromagnet Hybrid Structures (Brief Review)
A. A. Golubov, Bakurskiy S. V., T. Karabassov et al., JETP Letters 2026 Vol. 123 No. 5 P. 324–340
In this review, we summarize the foundations underlying a variety of phenomena in superconductor– ferromagnet hybrid structures, with a focus on recent advances in several key areas. These include: (i) the fundamental understanding of proximity effects in superconductor–ferromagnet based systems; (ii) spin-valve effects in superconductor– ferromagnet and superconductor–ferromagnet–superconductor Josephson junctions; and (iii) the design and ...
Added: January 25, 2026
Fluxon cotunneling in coupled Josephson junctions: Perturbation theory
Semenov A. G., Latyshev A., Andrei D. Zaikin, Physical Review B: Condensed Matter and Materials Physics 2025 Vol. 112 No. 14 Article 144501
We investigate the effects of fluxon cotunneling and quantum Coulomb drag in a system of two small Josephson junctions coupled by means of mutual capacitanceCm. Depending on the value ofCm we identify three different regimes of strong, intermediate, and weak coupling. Focusing our attention on the last two regimes we develop a perturbation theory in the interaction and ...
Added: November 14, 2025
Current-Phase Relation for Transparent Superconducting Junctions
Galaktionov A. V., Zaikin A., Journal of Superconductivity and Novel Magnetism 2025 Vol. 38 Article 74
We present a detailed numerical analysis of a non-equilibrium current-phase relation for transparent Josephson junctions in the voltage-biased regime. In the limit of subgap voltages and temperatures, we demonstrate an important role of phase-periodic dissipative effects which significantly modify the current-phase relation for such superconducting weak links. ...
Added: March 17, 2025
Absence of fractional ac Josephson effect in superconducting junctions
Kalenkov M., Andrei D. Zaikin, Physical Review B: Condensed Matter and Materials Physics 2024 Vol. 110 No. 13 Article 134521
We develop a microscopic theory of ac Josephson effect in superconducting junctions described by an arbitrary scattering matrix that may include magnetic effects. In the limit of constant in time bias voltage V applied to the junction we derive a formally exact current-phase relation (CPR) that is manifestly 2π periodic in the Josephson phase ϕ in full accordance ...
Added: November 10, 2024
Josephson bifurcation readout: beyond the monochromatic approximation
Yu. Makhlin, Zorin A. B., Journal of Experimental and Theoretical Physics 2024 Vol. 166 No. 1(7) P. 98–109
We analyze properties of bifurcation quantum detectors based on weakly nonlinear superconducting resonance circuits, in particular, with application to quantum readout. The developed quantitative description demonstrates strong influence of higher harmonics on their characteristics. While this effect is relevant for various circuits, including the conventional Josephson bifurcation amplifier and the parametrically driven circuit, we first ...
Added: June 27, 2024
Josephson dynamics and Shapiro steps at high transmissions: current bias regime
Galaktionov A. V., Zaikin A., Beilstein Journal of Nanotechnology 2024 Vol. 15 P. 51–56
We investigate Josephson dynamics of highly transparent superconducting nanojunctions at subgap voltages and temperatures. In this limit, intrinsic dissipation in such junctions turns out to be sub-Ohmic, which yields a linear dependence of the average voltage on the bias current I slightly exceeding the critical one Ic. We demonstrate a strong impact of intrinsic sub-Ohmic ...
Added: April 21, 2024
Josephson dynamics at high transmissions: Perturbation theory
Galaktionov A., Andrei D. Zaikin, Physical Review B: Condensed Matter and Materials Physics 2023 Vol. 107 No. 21 Article 214507
We theoretically analyze Josephson dynamics of superconducting weak links with transmissions T not much smaller than unity at subgap bias voltages V. Employing the effective action approach cjmbined with the Keldysh technique, we develop a regular perturbation theory in R=1-T and derive the first odrder correction to the current across the weak link, which consists ...
Added: April 17, 2024
Nonlinear focusing of terahertz laser beam using a layered superconductor
Ovcharenko H. V., Maizelis Z. A., Apostolov S. S. et al., Physical Review B: Condensed Matter and Materials Physics 2022 Vol. 106 No. 17 Article 174511
We theoretically study the propagation of a terahertz (THz) Gaussian beam through a thin sample of layered superconductor. We consider the beam axis and the superconducting layers to be perpendicular to the sample interface, while the electric field in the beam is perpendicular to the layers. We show that, in such a geometry, the Josephson ...
Added: February 6, 2023
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