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- Novosibirsk State UniversityRU229 papers
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10 papers · 1 filter
Stabilizing Itinerant Electrons in a Corner-Sharing Kagomé Oxide Nd4Os3ZnO14
Ryutaro Okuma, Yuita Fujisawa, Chia-Hsiu Hsu +8
Kagome oxides provide a fertile platform for exploring exotic electronic states arising from geometrical frustration and characteristic band topology. Here, we report the synthesis…
Bosonic topological insulator intermediate state in the superconductor-insulator transition
M. C. Diamantini, A. Yu. Mironov, S. V. Postolova +7
A low-temperature intervening metallic regime arising in the two-dimensional superconductor-insulator transition challenges our understanding of electronic fluids. Here we develop…
Out-of-equilibrium heating of electron liquid: fermionic and bosonic temperatures
A. Petković, N. M. Chtchelkatchev, T. I. Baturina +1
We investigate out-of-the equilibrium properties of the electron liquid in a two-dimensional disordered superconductor subject to the electric bias and temperature gradient. We cal…
Low temperature transport in tunnel junction arrays: Cascade energy relaxation
N. M. Chtchelkatchev, V. M. Vinokur, T. I. Baturina
A theory of far-from-equilibrium transport in arrays of tunnel junctions is developed. We show that at low temperatures the energy relaxation ensuring tunneling current can become…
Strongly enhanced effective mass in dilute two-dimensional electron systems: System-independent origin
A. A. Shashkin, A. A. Kapustin, E. V. Deviatov +2
We measure the effective mass in a dilute two-dimensional electron system in (111)-silicon by analyzing temperature dependence of the Shubnikov-de Haas oscillations in the low-temp…
Suppression of 2D superconductivity by the magnetic field: quantum corrections vs superconductor-insulator transition
V. F. Gantmakher, S. N. Ermolov, G. E. Tsydynzhapov +2
Magnetotransport of superconducting Nd_{2-x}Ce_xCuO_{4+y} (NdCeCuO) films is studied in the temperature interval 0.3-30 K. The microscopic theory of the quantum corrections to cond…