Solitons in Josephson junctions

AV Ustinov - Physica D: Nonlinear Phenomena, 1998 - Elsevier
Magnetic flux quanta in Josephson junctions, often called fluxons, in many cases behave as
solitons. A review of recent experiments and modelling of fluxon dynamics in Josephson …

Prediction of charge and dipole solitons in DNA molecules based on the behaviour of phosphate bridges as tunnel elements

Z Hermon, S Caspi, E Ben-Jacob - Europhysics Letters, 1998 - iopscience.iop.org
Motivated by our view of chemical bonds as tunnel elements and by the studies of one-
dimensional arrays of mesoscopic tunnel junctions, we investigate charge and dipole soliton …

Fluxons in Josephson transmission lines: new developments

NF Pedersen, AV Ustinov - Superconductor Science and …, 1995 - iopscience.iop.org
We review several of the most recently developed topics in the field of fluxon dynamics in
Josephson junctions. The main emphasis is placed on new systems and experimental …

Superconductive amplifying devices using fluxon dynamics

JE Nordman - Superconductor Science and Technology, 1995 - iopscience.iop.org
Control of the creation and the motion of vortices in Josephson junctions and in
superconductive thin films is the basis of operation for a class of amplifying devices, usually …

Interlayer fluxon interaction in Josephson stacks

AV Ustinov, H Kohlstedt - Physical Review B, 1996 - APS
In a stack of Josephson tunnel junctions both attractive and repulsive interactions may exist
between Josephson vortices (fluxons) allocated in different tunnel barriers. We report …

Tunable phase locking of stacked Josephson flux‐flow oscillators

E Goldobin, H Kohlstedt, AV Ustinov - Applied physics letters, 1996 - pubs.aip.org
A tuning technique for mutual phase locking of two vertically stacked long Josephson
junctions is suggested and successfully tested. The technique is based on passing a current …

Phase locked fluxon‐antifluxon states in stacked Josephson junctions

G Carapella, G Costabile, A Petraglia… - Applied physics …, 1996 - pubs.aip.org
Measurements were made on a two‐stack long Josephson junction with very similar
parameters and electrical access to the thin middle electrode. Mutually phase‐locked fluxon …

Hybrid Nb/MoGe Josephson Junctions for the Development of Flux-Flow-Type Josephson Oscillators

IP Nevirkovets - IEEE Transactions on Applied …, 2024 - ieeexplore.ieee.org
Josephson junctions (JJs) with layered Nb/MoGe electrodes were fabricated and
characterized at 4.2 K. Mo 0.75 Ge 0.25 is known to be a superconductor with the transition …

Numerical analysis of the coherent radiation emission by two stacked Josephson flux‐flow oscillators

A Wallraff, E Goldobin, AV Ustinov - Journal of applied physics, 1996 - pubs.aip.org
The numerical investigation of the radiation emission by a system of two magnetically
coupled, long Josephson junctions is reported. Time‐dependent synchronized voltage …

Maximum velocity of a fluxon in a stack of coupled Josephson junctions

E Goldobin, BA Malomed, AV Ustinov - Physics Letters A, 2000 - Elsevier
Dynamics of a fluxon in a stack of inductively coupled long Josephson junctions is studied
analytically and numerically. We demonstrate that the fluxon has a maximum velocity, which …