Phase locked fluxon-antifluxon states in stacked Josephson junctions

Giovanni Carapella; Giovanni Constabile; Antonio Petraglia; Niels Falsig Pedersen; Jesper Mygind

doi:10.1063/1.117398

Phase locked fluxon-antifluxon states in stacked Josephson junctions

Giovanni Carapella, Giovanni Constabile, Antonio Petraglia, Niels Falsig Pedersen, Jesper Mygind

Technical University of Denmark

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Abstract

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-antifluxon states were observed. The observed propagation velocity is in agreement with the theoretical prediction. The I-V curves recorded using the bias current in one of the junctions as fixed parameter show that these states continue to also exist when the other junction is oppositely biased. This is found in numerical simulations based on the experimental junction parameters as well. We propose a model in which waves in the junctions coexist with fluxons. (C) 1996 American Institute of Physics.

Original language	English
Journal	Applied Physics Letters
Volume	69
Issue number	9
Pages (from-to)	1300-1302
ISSN	0003-6951
DOIs	https://doi.org/10.1063/1.117398
Publication status	Published - 1996

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Copyright (1996) American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics.

Keywords

BUNCHED FLUXONS

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abstract = "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-antifluxon states were observed. The observed propagation velocity is in agreement with the theoretical prediction. The I-V curves recorded using the bias current in one of the junctions as fixed parameter show that these states continue to also exist when the other junction is oppositely biased. This is found in numerical simulations based on the experimental junction parameters as well. We propose a model in which waves in the junctions coexist with fluxons. (C) 1996 American Institute of Physics.",

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AU - Carapella, Giovanni

AU - Constabile, Giovanni

AU - Petraglia, Antonio

AU - Pedersen, Niels Falsig

AU - Mygind, Jesper

N1 - Copyright (1996) American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics.

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Y1 - 1996

N2 - 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-antifluxon states were observed. The observed propagation velocity is in agreement with the theoretical prediction. The I-V curves recorded using the bias current in one of the junctions as fixed parameter show that these states continue to also exist when the other junction is oppositely biased. This is found in numerical simulations based on the experimental junction parameters as well. We propose a model in which waves in the junctions coexist with fluxons. (C) 1996 American Institute of Physics.

AB - 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-antifluxon states were observed. The observed propagation velocity is in agreement with the theoretical prediction. The I-V curves recorded using the bias current in one of the junctions as fixed parameter show that these states continue to also exist when the other junction is oppositely biased. This is found in numerical simulations based on the experimental junction parameters as well. We propose a model in which waves in the junctions coexist with fluxons. (C) 1996 American Institute of Physics.

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JO - Applied Physics Letters

JF - Applied Physics Letters

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ER -

Phase locked fluxon-antifluxon states in stacked Josephson junctions

Abstract

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Keywords

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