Dissipation effects of the phase in higher order switching events of intrinsic josephson junctions

Daiki Kakehi; Yusaku Takahashi; Hikaru Yamaguchi; Shin Ichiro Koizumi; Shinya Ayukawa; Haruhisa Kitano

doi:10.1109/TASC.2016.2515585

Dissipation effects of the phase in higher order switching events of intrinsic josephson junctions

Daiki Kakehi, Yusaku Takahashi, Hikaru Yamaguchi, Shin Ichiro Koizumi, Shinya Ayukawa, Haruhisa Kitano

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

9 Citations (Scopus)

Abstract

We report a study on the phase switching dynamics of small intrinsic Josephson junctions (IJJs) built in a narrow bridge of single crystalline Bi₂Sr₂CaCu₂O_y. We focus on the higher order switches from the finite resistive states in the multiple-branched I-V curves. In contrast to the first switch (1st SW), i.e., a switch from the zero voltage state to the first resistive state, the phase switching rates for higher order switches such as the 3rd SW and the 4th SW show a large deviation from the conventional exponential behavior as a function of bias current. These behaviors were successfully explained by considering the multiple-retrapping processes after the phase escape. We discuss that the dissipation in the higher order switch plays an important role in the multiple phase retrappings rather than the self-heating of IJJs.

Original language	English
Article number	1800204
Journal	IEEE Transactions on Applied Superconductivity
Volume	26
Issue number	3
DOIs	https://doi.org/10.1109/TASC.2016.2515585
Publication status	Published - Apr 1 2016
Externally published	Yes

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Electrical and Electronic Engineering

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title = "Dissipation effects of the phase in higher order switching events of intrinsic josephson junctions",

abstract = "We report a study on the phase switching dynamics of small intrinsic Josephson junctions (IJJs) built in a narrow bridge of single crystalline Bi2Sr2CaCu2Oy. We focus on the higher order switches from the finite resistive states in the multiple-branched I-V curves. In contrast to the first switch (1st SW), i.e., a switch from the zero voltage state to the first resistive state, the phase switching rates for higher order switches such as the 3rd SW and the 4th SW show a large deviation from the conventional exponential behavior as a function of bias current. These behaviors were successfully explained by considering the multiple-retrapping processes after the phase escape. We discuss that the dissipation in the higher order switch plays an important role in the multiple phase retrappings rather than the self-heating of IJJs.",

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AU - Ayukawa, Shinya

AU - Kitano, Haruhisa

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