Research on flux-flow oscillators induced different types of pinning potentials

Y. Yamada; K. Nakajima; K. Nakajima

doi:10.1016/j.physc.2010.05.055

Research on flux-flow oscillators induced different types of pinning potentials

Y. Yamada, K. Nakajima, K. Nakajima

Research Institute of Electrical Communication (RIEC)

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

2 Citations (Scopus)

Abstract

We have studied dynamics of Josephson vortices in strongly coupled long Josephson junctions stack, such as an intrinsic Josephson junction, by numerical simulations based on coupled sine-Gordon equations considering a periodic pinning potential. In this report, we investigate flux-flow oscillators induced two types of pinning potentials. One is magnetic periodic pinning potential, the other is periodic bias currents. Our results demonstrate that the periodic pinning potential can develop the generated power of flux-flow oscillator in certain condition.

Original language	English
Pages (from-to)	1130-1132
Number of pages	3
Journal	Physica C: Superconductivity and its applications
Volume	470
Issue number	20
DOIs	https://doi.org/10.1016/j.physc.2010.05.055
Publication status	Published - 2010 Nov 1

Keywords

Flux-flow
Josephson junction
Simulation
Sine-Gordon equation
Vortex

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Energy Engineering and Power Technology
Electrical and Electronic Engineering

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10.1016/j.physc.2010.05.055

Cite this

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abstract = "We have studied dynamics of Josephson vortices in strongly coupled long Josephson junctions stack, such as an intrinsic Josephson junction, by numerical simulations based on coupled sine-Gordon equations considering a periodic pinning potential. In this report, we investigate flux-flow oscillators induced two types of pinning potentials. One is magnetic periodic pinning potential, the other is periodic bias currents. Our results demonstrate that the periodic pinning potential can develop the generated power of flux-flow oscillator in certain condition.",

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AU - Yamada, Y.

AU - Nakajima, K.

PY - 2010/11/1

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N2 - We have studied dynamics of Josephson vortices in strongly coupled long Josephson junctions stack, such as an intrinsic Josephson junction, by numerical simulations based on coupled sine-Gordon equations considering a periodic pinning potential. In this report, we investigate flux-flow oscillators induced two types of pinning potentials. One is magnetic periodic pinning potential, the other is periodic bias currents. Our results demonstrate that the periodic pinning potential can develop the generated power of flux-flow oscillator in certain condition.

AB - We have studied dynamics of Josephson vortices in strongly coupled long Josephson junctions stack, such as an intrinsic Josephson junction, by numerical simulations based on coupled sine-Gordon equations considering a periodic pinning potential. In this report, we investigate flux-flow oscillators induced two types of pinning potentials. One is magnetic periodic pinning potential, the other is periodic bias currents. Our results demonstrate that the periodic pinning potential can develop the generated power of flux-flow oscillator in certain condition.

KW - Flux-flow

KW - Josephson junction

KW - Simulation

KW - Sine-Gordon equation

KW - Vortex

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JO - Physica C: Superconductivity and its Applications

JF - Physica C: Superconductivity and its Applications

SN - 0921-4534

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ER -

Research on flux-flow oscillators induced different types of pinning potentials

Abstract

Keywords

ASJC Scopus subject areas

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