Stability of bunched fluxons in magnetically coupled Josephson junctions

Niels Gronbech-Jensen; David Cai; Mogens R. Samuelsen

doi:10.1103/PhysRevB.48.16160

Stability of bunched fluxons in magnetically coupled Josephson junctions

Niels Gronbech-Jensen, David Cai, Mogens R. Samuelsen

Mathematics

Research output: Contribution to journal › Article › peer-review

Abstract

The stability of bunched fluxon states in inductively coupled Josephson junctions is analyzed for fluxons of both equal and opposite polarity. We demonstrate that unipolar fluxons may form stable bunched states if the velocity is above a given threshold. The stability of these bunched states is based on the existence of two characteristic velocities in the coupled system. The result of analytical stability analysis is in excellent agreement with the results of numerical simulations.

Original language	English (US)
Pages (from-to)	16160-16163
Number of pages	4
Journal	Physical Review B
Volume	48
Issue number	21
DOIs	https://doi.org/10.1103/PhysRevB.48.16160
State	Published - 1993

ASJC Scopus subject areas

Condensed Matter Physics

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10.1103/PhysRevB.48.16160

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title = "Stability of bunched fluxons in magnetically coupled Josephson junctions",

abstract = "The stability of bunched fluxon states in inductively coupled Josephson junctions is analyzed for fluxons of both equal and opposite polarity. We demonstrate that unipolar fluxons may form stable bunched states if the velocity is above a given threshold. The stability of these bunched states is based on the existence of two characteristic velocities in the coupled system. The result of analytical stability analysis is in excellent agreement with the results of numerical simulations.",

author = "Niels Gronbech-Jensen and David Cai and Samuelsen, {Mogens R.}",

year = "1993",

doi = "10.1103/PhysRevB.48.16160",

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AU - Gronbech-Jensen, Niels

AU - Cai, David

AU - Samuelsen, Mogens R.

PY - 1993

Y1 - 1993

N2 - The stability of bunched fluxon states in inductively coupled Josephson junctions is analyzed for fluxons of both equal and opposite polarity. We demonstrate that unipolar fluxons may form stable bunched states if the velocity is above a given threshold. The stability of these bunched states is based on the existence of two characteristic velocities in the coupled system. The result of analytical stability analysis is in excellent agreement with the results of numerical simulations.

AB - The stability of bunched fluxon states in inductively coupled Josephson junctions is analyzed for fluxons of both equal and opposite polarity. We demonstrate that unipolar fluxons may form stable bunched states if the velocity is above a given threshold. The stability of these bunched states is based on the existence of two characteristic velocities in the coupled system. The result of analytical stability analysis is in excellent agreement with the results of numerical simulations.

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DO - 10.1103/PhysRevB.48.16160

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Stability of bunched fluxons in magnetically coupled Josephson junctions

Abstract

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