100 citations · 521 across the 28 of their papers we have counts for
15 papers · 1 filter
Nonreciprocal transmission of microwaves through a long Josephson junction
A. L. Pankratov, K. G. Fedorov, M. Salerno +2
Nonreciprocal microwave transmission through a long Josephson junction in the flux-flow regime is studied analytically and numerically within the framework of the perturbed sine-Go…
"Quick and dirty" technology for fabrication of a single BiSrCaCuO mesas
E. A. Vopilkin, A. V. Chiginev, L. S. Revin +6
The technology of wet etching allowing fabrication of standalone BiSrCaCuO mesa structures was proposed. The produced mesas can be produced much thicker than ones usually being stu…
Soliton scattering as a measurement tool for weak signals
Igor I. Soloviev, Nikolay V. Klenov, Andrey L. Pankratov +3
We have considered relativistic soliton dynamics governed by the sine-Gordon equation and affected by short spatial inhomogeneities of the driving force and thermal noise. Develope…
Drastically suppressing the error of ballistic readout of qubits
Andrey L. Pankratov, Anna V. Gordeeva, Leonid S. Kuzmin
The thermal jitter of transmission of magnetic flux quanta in long Josephson junctions is studied. While for large-to-critical damping and small values of bias current the physical…
The effect of bias feed profile on spectral properties of noisy Josephson flux flow oscillator
E. A. Matrozova, A. L. Pankratov, L. S. Revin
For creation of a noisy non-stationary spectrometer working in the subTHz frequency range the power and spectral characteristics of a flux flow oscillator (FFO), based on a long Jo…
Influence of the Josephson junction geometry on the spectral properties of the flux-flow oscillator
Leonid S. Revin, Andrey L. Pankratov
Numerical investigation of the effects of junction geometry on the performance of the flux-flow type Josephson oscillator has been done. Using direct simulation of the sine-Gordon…
Lifetime of the superconductive state in short and long Josephson junctions
Giuseppe Augello, Davide Valenti, Andrey L. Pankratov +1
We study the transient statistical properties of short and long Josephson junctions under the influence of thermal and correlated fluctuations. In particular, we investigate the li…
Noise induced phenomena in point Josephson junctions
Anna V. Gordeeva, Andrey L. Pankratov, Bernardo Spagnolo
We present the analysis of the mean switching time and its standard deviation of short overdamped Josephson junctions, driven by a direct current and a periodic signal. The effect…
Influence of length on the noise delayed switching of long Josephson junctions
K. G. Federov, A. L. Pankratov, B. Spagnolo
The transient dynamics of long overlap Josephson junctions in the frame of the sine-Gordon model with a white noise source is investigated. The effect of noise delayed decay is obs…
Minimizing the linewidth of the Flux-Flow Oscillator
A. L. Pankratov
For the first time the linewidth of Flux-Flow Oscillator has been calculated by direct computer simulation of the sine-Gordon equation with noise. Nearly perfect agreement of the n…
Life time of superconductive state in long overlap Josephson junction
K. G. Fedorov, A. L. Pankratov
The computer simulations of fluctuational dynamics of the long overlap Josephson junction in the frame of the sine-Gordon model with a white noise source have been performed. It ha…
Noise suppression in transmission of single flux quantum signals
Anna V. Gordeeva, Andrey L. Pankratov
We present the analysis of the mean switching time and its standard deviation of an overdamped Josephson junction, driven by a direct current and a single flux quantum (SFQ) pulse.…
Optimal Pump Frequency for Ac Hysteretic Squid
Andrey L. Pankratov
This paper presents the analytical and numerical analysis of fluctuational dynamics of ac hysteretic SQUID. It has been demonstrated, that the most important parameter for the impr…
Long Josephson junctions with spatially inhomogeneous driving
Andrey L. Pankratov
The phase dynamics of a long Josephson junction with spatially inhomogeneously distributed bias current is considered for the case of a dense soliton chain (regime of the Flux Flow…
Form and width of spectral line of Josephson Flux-Flow oscillator
Andrey L. Pankratov
The behavior of a Josephson flux-flow oscillator in the presence of both bias current and magnetic field fluctuations has been studied. To derive the equation for slow phase dynami…