10.6k citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
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11 papers · 2 filters
Checkerboard superconducting order and antinodal Bogoliubov quasiparticle interference
V. I. Belyavsky, V. V. Kapaev, Yu. V. Kopaev
Numerical study of momentum-dependent gap function is presented to make clear the origin of superconductivity in copper oxides. We claim that antinodal region with pronounced nesti…
Magnetic and Superconducting Properties of FeAs-based High-Tc Superconductors with Gd
E. P. Khlybov, O. E. Omelyanovsky, A. Zaleski +5
We report on successful synthesis under high pressure of a series of polycrystalline GdFeAs O_{1-x}F_x high-Tc superconductors with different oxygen deficiency x=0.12 - 0.16 and al…
Vortex glass scaling in Pb-doped Bi2223 single crystal
Yu. Eltsev, S. Lee, K. Nakao +1
We report on study of the vortex liquid in Pb-doped Bi-2223 single crystal using the in-plane resistivity measurements as a function of temperature and magnetic field up to 6T appl…
Percolative nature of the transition from 60 K to 90 K phase in YBa2Cu3O6+d
S. Yu. Gavrilkin, O. M. Ivanenko, V. P. Martovitskii +2
We have measured the heat capacity of YBa2Cu3O6+d for 0.7<d<0.8 between 1.8 and 300K. It was found that doping dependences of specific heat jump and temperature of heat capacity ju…
Fermi arcs as a visible manifestation of pair level of negative-U centers
K. V. Mitsen, O. M. Ivanenko
Here we consider the possibility that the Fermi arcs observed in ARPES experiments result from interaction of valence band electrons with negative-U centers (NUCs) which are formed…
Electrical transport properties of high quality Bi-2223 crystal
Yu. Eltsev, S. Lee, K. Nakao +1
We have studied electrical transport properties of a high quality Bi2Sr2Ca2Cu3O10+x crystal below a superconducting critical temperature, Tc. In magnetic fields B parallel to the c…
Shot noise and Coulomb blockade of Andreev reflection
A. V. Galaktionov, A. D. Zaikin
We derive low energy effective action for a short coherent conductor between normal (N) and superconducting (S) reservoirs. We evaluate interaction correction to Andreev condu…
Crossed Andreev reflection and charge imbalance in diffusive NSN structures
D. S. Golubev, M. S. Kalenkov, A. D. Zaikin
We formulate a microscopic theory of non-local electron transport in three-terminal diffusive normal-superconducting-normal (NSN) structures with arbitrary interface transmissions.…
Point-contact Andreev-reflection spectroscopy in ReFeAsO_{1-x}F_x (Re = La, Sm): Possible evidence for two nodeless gaps
R. S. Gonnelli, D. Daghero, M. Tortello +6
A deep understanding of the character of superconductivity in the recently discovered Fe-based oxypnictides ReFeAsO1-xFx (Re = rare-earth) necessarily requires the determination of…
Non-local Andreev reflection under ac bias
D. S. Golubev, A. D. Zaikin
We theoretically analyze non-local electron transport in multi-terminal normal-metal-superconductor-normal-metal (NSN) devices in the presence of an external ac voltage bias. Our a…
Superconducting and magnetic properties of a new EuAsFeO0.85F0.15 superconductor
V. M. Dmitriev, I. E. Kostyleva, E. P. Khlybov +5
Polycrystalline samples of a new superconducting EuAsFeO0.85F0.15 compound with critical temperature Tc=11K were prepared by solid state synthesis. Its electric and magnetic proper…