P.N. Lebedev Physical Institute of the Russian Academy of Sciences

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19912026

most citedPlanck 2015 results. XIII. Cosmological parameters

10.6k citations

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Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.

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cond-mat.supr-con2026

Andreev-reflection spectroscopy of SrPt3P single crystals

Valeriy A. Stepanov, Nikolai D. Zhigadlo, Erik Piatti +1

The interplay between inversion symmetry breaking and superconducting pairing mechanisms is a long-standing puzzle of solid-state physics. Ternary platinum phosphide SrPt $_{3}$ P is a…

cond-mat.supr-con2026

Optical Properties of Iron-Selenide Na $_{0.27}$ K $_{0.27}$ Rb $_{0.27}$ Fe $_{1.7}$ Se $_{2}$ Single Crystals

Andrei Muratov, Yevgeny Rakhmanov, Andrei Shilov +2

With infrared Fourier-transform spectroscopy and spectroscopic ellipsometry we investigated the in-plane reflectance of the superconducting Na $_{0.27}$ K $_{0.27}$ Rb $_{0.27}$ Fe$_{1.7…

cond-mat.supr-con2026

Landau-Zener tunneling and quantum interference of Andreev states

Mikhail S. Kalenkov, Andrei D. Zaikin

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. Resolv…

cond-mat.supr-con2025

Superconducting Proximity Effect in an SSH-Superconductor Junction

I. A. Belkovich, A. A. Radkevich

A model of microscopic interaction between a superconductor and a one-dimensional topological insulator, an SSH chain, is considered. Using the functional integration method, the e…

cond-mat.supr-con2025★ 2 cited

Optical Properties of Superconducting K $_{0.8}$ Fe $_{1.7}$ (Se $_{0.73}$ S $_{0.27}$ ) $_{2}$ Single Crystals

Andrei Muratov, Yevgeny Rakhmanov, Andrei Shilov +2

The optical properties of the superconducting K $_{0.8}$ Fe $_{1.7}$ (Se $_{0.73}$ S $_{0.27}$ ) $_{2}$ single crystals with a critical temperature $T_{c} \approx 26$ K have been measured in the…

cond-mat.supr-con2025★ 1 cited

Vortex matter and strong pinning in underdoped PrFeAs(O,F) with atomic-sized defects

Andrey V. Sadakov, Vladimir A. Vlasenko, A. Yu. Levakhova +6

We present a comprehensive investigation of the field-dependent critical current density and pinning force, combined with a detailed analysis of the nanostructural defect landscape…

cond-mat.supr-con2025★ 2 cited

Two-step phase transitions in Fe(Se,Te)

D. A. Chareev, A. A. Gippius, Y. A. Ovchenkov +6

In the studied crystals of FeSe0.7 Te0.3 , a structural phase transition occurs in two stages. At higher temperatures, the electronic subsystem undergoes a reconstruction, leading…

cond-mat.supr-con2024

Optical and transport properties of Ba(Fe $_{1 - x}$ Ni $_{x}$ ) $_{2}$ As $_{2}$ films

Yurii A. Aleshchenko, Andrey V. Muratov, Elena S. Zhukova +4

The broad-band optical spectroscopy was used to study the optical and the hidden transport properties of the Ba(Fe $_{1 - x}$ Ni $_{x}$ ) $_{2}$ As $_{2}$ superconducting films with different Ni…

cond-mat.supr-con2024★ 3 cited

THz optical response of Ba(Fe $_{1 - x}$ Ni $_{x}$ ) $_{2}$ As $_{2}$ films analyzed within the three-band Eliashberg s $_{\pm}$ -wave model

Yurii A. Aleshchenko, Andrey V. Muratov, Elena S. Zhukova +4

The uncertainty of the nature of the normal state and superconducting condensate of unconventional superconductors continues to stimulate considerable speculation about the mechani…

cond-mat.supr-con2024★ 2 cited

Absence of "fractional ac Josephson effect" in superconducting junctions

Mikhail S. Kalenkov, Andrei D. Zaikin

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 c…

cond-mat.supr-con2023★ 9 cited

Quasi Two-dimensional Vortex Matter in ThH $_{10}$ Superhydride

Andrey V. Sadakov, Vladimir A. Vlasenko, Dmitrii V. Semenok +4

A comprehensive study of the vortex phases and vortex dynamics is presented for a recently discovered high-temperature superconductor ThH $_{10}$ with $T$ $_{C}$ = 153 K at 17…

cond-mat.supr-con2023★ 7 cited

Josephson dynamics at high transmissions: Perturbation theory

Artem V. Galaktionov, Andrei D. Zaikin

We theoretically analyze Josephson dynamics of superconducting weak links with transmissions $T$ not much smaller than unity at subgap bias voltages $V$ . Employing the e…

cond-mat.supr-con2023★ 9 cited

Anatomy of the band structure of the newest apparent near-ambient superconductor LuH $_{3 - x}$ N $_{x}$

Nikita S. Pavlov, Igor R. Shein, Kirill S. Pervakov +2

Recently it was claimed that nitrogen-doped lutetium hydride exhibited a near-ambient superconducting transition with a temperature of 294 K at a pressure of only 10 kbar, this pre…

cond-mat.supr-con2023★ 21 cited

Vortex phase dynamics in yttrium superhydride YH $_{6}$ at megabar pressures

A. V. Sadakov, V. A. Vlasenko, I. A. Troyan +4

A comprehensive study of the vortex phases and vortex dynamics is presented for a recently discovered high-temperature superconductor YH $_{6}$ with T $_{C}$ (onset) of 215 K under press…

cond-mat.supr-con2023★ 5 cited

Inhomogeneous superconductivity onset in FeSe studied by transport properties

P. D. Grigoriev, V. D. Kochev, A. P. Orlov +2

Heterogeneous superconductivity onset is a common phenomenon in high- $T_{c}$ superconductors of both the cuprate and iron-based families. It is manifested by a fairly wide transition…

cond-mat.supr-con2022★ 59 cited

High-temperature superconductivity in hydrides

I. A. Troyan, D. V. Semenok, A. G. Ivanova +7

Over the past six years (2015-2021), many superconducting hydrides with critical temperatures $T_{C}$ up to 250 K, which are currently record highs, have been discovered. Now we ca…

cond-mat.supr-con2022★ 4 cited

Direct observation of the spin exciton in Andreev spectroscopy of iron-based superconductors

M. M. Korshunov, S. A. Kuzmichev, T. E. Kuzmicheva

Quasiparticle excitations provide viable information on the physics of unconventional superconductors. Higgs and Leggett modes are some of the classic examples. Another important b…

cond-mat.supr-con2022★ 11 cited

Nonlinear microwave response of clean superconducting films

A. A. Radkevich, A. G. Semenov

We develop an explicitly gauge-invariant semiclassical approach to investigate nonlinear response of superconductors to monochromatic THz radiation. We demonstrate that in clean su…

cond-mat.supr-con2022★ 4 cited

Local transformation of the Electronic Structure and Generation of Free Carriers in Cuprates and Ferropnictides under Heterovalent and Isovalent Doping

Kirill Mitsen, Olga Ivanenko

We have previously shown that most of the anomalies in the superconducting characteristics of cuprates and ferropnictides observed at dopant concentrations within the superconducti…

cond-mat.supr-con2022★ 5 cited

Anomalous metallic oxygen band in the potential superconductor KCa $_{2}$ Fe $_{4}$ As $_{4}$ O $_{2}$

Nikita S. Pavlov, Kirill S. Pervakov, Igor A. Nekrasov

The electronic structure, magnetism and Fermi surface of a hole self-doped potential iron-based superconductor KCa $_{2}$ Fe $_{4}$ As $_{4}$ O $_{2}$ (12442) were studied by a first-principes DF…

cond-mat.supr-con2022★ 74 cited

Hybrid helical state and superconducting diode effect in S/F/TI heterostructures

T. Karabassov, I. V. Bobkova, A. A. Golubov +1

It is well-known that the ground state of homogeneous superconducting systems with spin-orbit coupling (SOC) in the presence of the Zeeman field is the so-called helical state, whi…

cond-mat.supr-con2022★ 4 cited

Phase-coherent thermoelectricity in superconducting hybrids (Brief Review)

Mikhail S. Kalenkov, Andrei D. Zaikin

We review some recent advances in studies of phase-coherent thermoelectric effects in superconducting hybrid structures such as, e.g., Andreev interferometers. We elucidate a numbe…

cond-mat.supr-con2022★ 17 cited

Suppression of fluctuations in a two-band superconductor with a quasi-1D band

A. A. Shanenko, T. T. Saraiva, A. Vagov +2

Chain-like structured superconductive materials (such as A_2Cr_3As_3, with A = K, Rb, Cs) exhibit the multiband electronic structure of single-particle states, where coexisting qua…

cond-mat.supr-con2021★ 6 cited

Superconducting Order Parameters in overdoped BaFe $_{1.86}$ Ni $_{0.14}$ As $_{2}$ Revealed by Multiple Andreev Reflection Spectroscopy of Planar Break-Junctions

T. E. Kuzmicheva, S. A. Kuzmichev, K. S. Pervakov +1

Using multiple Andreev reflection (MAR) spectroscopy, we studied superconductor - normal metal - superconductor (SnS) semiballistic contacts with incoherent transport in overdoped…

Andreev-reflection spectroscopy of SrPt3P single crystals

Optical Properties of Iron-Selenide Na0.27​K0.27​Rb0.27​Fe1.7​Se2​ Single Crystals

Landau-Zener tunneling and quantum interference of Andreev states

Superconducting Proximity Effect in an SSH-Superconductor Junction

Optical Properties of Superconducting K0.8​Fe1.7​(Se0.73​S0.27​)2​ Single Crystals

Vortex matter and strong pinning in underdoped PrFeAs(O,F) with atomic-sized defects

Two-step phase transitions in Fe(Se,Te)

Optical and transport properties of Ba(Fe1−x​Nix​)2​As2​ films

THz optical response of Ba(Fe1−x​Nix​)2​As2​ films analyzed within the three-band Eliashberg s±​-wave model

Absence of "fractional ac Josephson effect" in superconducting junctions

Quasi Two-dimensional Vortex Matter in ThH10​ Superhydride

Josephson dynamics at high transmissions: Perturbation theory

Anatomy of the band structure of the newest apparent near-ambient superconductor LuH3−x​Nx​

Vortex phase dynamics in yttrium superhydride YH6​ at megabar pressures

Inhomogeneous superconductivity onset in FeSe studied by transport properties

High-temperature superconductivity in hydrides

Direct observation of the spin exciton in Andreev spectroscopy of iron-based superconductors

Nonlinear microwave response of clean superconducting films

Local transformation of the Electronic Structure and Generation of Free Carriers in Cuprates and Ferropnictides under Heterovalent and Isovalent Doping

Anomalous metallic oxygen band in the potential superconductor KCa2​Fe4​As4​O2​

Hybrid helical state and superconducting diode effect in S/F/TI heterostructures

Phase-coherent thermoelectricity in superconducting hybrids (Brief Review)

Suppression of fluctuations in a two-band superconductor with a quasi-1D band

Superconducting Order Parameters in overdoped BaFe1.86​Ni0.14​As2​ Revealed by Multiple Andreev Reflection Spectroscopy of Planar Break-Junctions

Optical Properties of Iron-Selenide Na $_{0.27}$ K $_{0.27}$ Rb $_{0.27}$ Fe $_{1.7}$ Se $_{2}$ Single Crystals

Optical Properties of Superconducting K $_{0.8}$ Fe $_{1.7}$ (Se $_{0.73}$ S $_{0.27}$ ) $_{2}$ Single Crystals

Optical and transport properties of Ba(Fe $_{1 - x}$ Ni $_{x}$ ) $_{2}$ As $_{2}$ films

THz optical response of Ba(Fe $_{1 - x}$ Ni $_{x}$ ) $_{2}$ As $_{2}$ films analyzed within the three-band Eliashberg s $_{\pm}$ -wave model

Quasi Two-dimensional Vortex Matter in ThH $_{10}$ Superhydride

Anatomy of the band structure of the newest apparent near-ambient superconductor LuH $_{3 - x}$ N $_{x}$

Vortex phase dynamics in yttrium superhydride YH $_{6}$ at megabar pressures

Anomalous metallic oxygen band in the potential superconductor KCa $_{2}$ Fe $_{4}$ As $_{4}$ O $_{2}$

Superconducting Order Parameters in overdoped BaFe $_{1.86}$ Ni $_{0.14}$ As $_{2}$ Revealed by Multiple Andreev Reflection Spectroscopy of Planar Break-Junctions