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- Moscow Institute of Physics and TechnologyRU33 papers
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11 papers · 1 filter
The electron-phonon relaxation time in thin superconducting titanium nitride films
A. Kardakova, M. Finkel, D. Morozov +7
We report on the direct measurement of the electron-phonon relaxation time, τeph, in disordered TiN films. Measured values of τeph are from 5.5 ns to 88 ns in the 4.2 to 1.7 K temp…
The microscopic basis for phase-sensitive experiments for determination of the order parameter symmetry in Fe-based superconductors
A. V. Burmistrova, I. A. Devyatov
We present a microscopic theory of dc Josephson current, based on the construction of a coherent temperature Green function in the tight-binding approximation, in junctions with mu…
The Josephson current in Fe-based superconducting junctions: theory and experiment
A. V. Burmistrova, I. A. Devyatov, A. A. Golubov +8
We present theory of dc Josephson effect in contacts between Fe-based and spin-singlet -wave superconductors. The method is based on the calculation of temperature Green's funct…
Prime (-1,1) and Jordan monsters and superalgebras of vector type
Sergey V. Pchelintsev, Ivan P. Shestakov
It is proved that the prime degenerate (-1,1) algebra constructed in [13] (the (-1,1)-monster) generates the same variety of algebras as the Grassman (-1,1)-algebra. Moreover, the…
High optical efficiency and photon noise limited sensitivity of microwave kinetic inductance detectors using phase readout
R. M. J. Janssen, J. J. A. Baselmans, A. Endo +4
We demonstrate photon noise limited performance in both phase and amplitude readout in microwave kinetic inductance detectors (MKIDs) consisting of NbTiN and Al, down to 100 fW of…
Electrodynamic response and local tunnelling spectroscopy of strongly disordered superconducting TiN films
P. C. J. J. Coumou, E. F. C. Driessen, J. Bueno +2
We have studied the electrodynamic response of strongly disordered superconducting TiN films using microwave resonators, where the disordered superconductor is the resonating eleme…