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 …

Fluxon dynamics in one-dimensional Josephson-junction arrays

AV Ustinov, M Cirillo, BA Malomed - Physical Review B, 1993 - APS
Current-voltage characteristics of an annular array of small Josephson junctions with
different values of single-loop inductances are calculated numerically and compared with …

Quantum dynamics of a single vortex

A Wallraff, A Lukashenko, J Lisenfeld, A Kemp… - Nature, 2003 - nature.com
Vortices occur naturally in a wide range of gases and fluids, from macroscopic to
microscopic scales. In Bose–Einstein condensates of dilute atomic gases, superfluid helium …

Demonstration of a Josephson vortex-based memory cell with microwave energy-efficient readout

DS Kalashnikov, VI Ruzhitskiy, AG Shishkin… - Communications …, 2024 - nature.com
The ongoing progress of superconducting logic systems with Josephson junctions as base
elements requires the development of compatible cryogenic memory. Long enough …

Josephson vortex in a ratchet potential: Theory

E Goldobin, A Sterck, D Koelle - Physical Review E, 2001 - APS
We propose a type of Josephson vortex ratchet. In this system a Josephson vortex moves in
a periodic asymmetric potential under the action of a deterministic or random force with zero …

Resistive state of superconductor-ferromagnet-superconductor Josephson junctions in the presence of moving domain walls

DS Rabinovich, IV Bobkova, AM Bobkov, MA Silaev - Physical Review Letters, 2019 - APS
We describe resistive states of the system combining two types of orderings—a
superconducting and a ferromagnetic one. It is shown that in the presence of magnetization …

Quantum computing method using magnetic flux states at a Josephson junction

AM Zagoskin - US Patent 6,563,311, 2003 - Google Patents
(57) ABSTRACT A Solid-state quantum computing Structure includes a d-wave
Superconductor in Sets of islands that clean Joseph Son junctions Separate from a first …

Annular long Josephson junctions in a magnetic field: engineering and probing the fluxon interaction potential

A Wallraff, Y Koval, M Levitchev, MV Fistul… - Journal of Low …, 2000 - Springer
The interaction of a Josephson fluxon with an externalmagnetic field-induced potential in a
long Josephson junctionis investigated experimentally. The thermal activation of thefluxon …

Spontaneous fluxon formation in annular Josephson tunnel junctions

R Monaco, J Mygind, RJ Rivers - Physical Review B, 2003 - APS
It has been argued by Zurek and Kibble that the likelihood of producing defects in a
continuous phase transition depends in a characteristic way on the quench rate. In this …

Josephson Vortex Qubit: Design, Preparation and Read‐Out

A Kemp, A Wallraff, AV Ustinov - physica status solidi (b), 2002 - Wiley Online Library
The design of a qubit based on a single Josephson vortex trapped in a shaped long
Josephson junction is discussed in detail. The vortex potential is formed due to its interaction …