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The paper investigated the current-voltage and dI/dV-characteristics of nanocontact “Niobium — Carbon nanotube (5,5) — Niobium” using the program Atomistix ToolKit with Virtual NanoLab. At computer simulation of transport characteristics of nanocontact the method of nonequilibrium Green's functions and the local density approximation were used. The current-voltage characteristics, the differential...
In the framework of the Livanov-Varlamov model was calculated fluctuation conductivity of high-temperature superconductor Bi2Sr2CaCu2O9 (BSCCO). On the base of local cooples the temperature dependences of excess current and pseudogap were found and the temperature dependence of excess current of BSCCO was experimentally measured. With the help of a computer program VESTA were defined the distances...
Within the boundaries of Josephson dynamics equations was shown that in Josephson junctions with anharmonic current-phase relation with the increase in the anharmonicity parameter module voltage varies in a quasi-periodic law becomes chaotic behavior. Revealed that in these Josephson junctions transition from quasi-harmonic regime in chaotic regime occurs when the value of the anharmonicity parameter...
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