Increase of phase retrapping effects in the switching rate from the finite voltage state of the underdamped intrinsic Josephson junctions

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

doi:10.7566/JPSJ.85.054703

Increase of phase retrapping effects in the switching rate from the finite voltage state of the underdamped intrinsic Josephson junctions

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

Research Institute for Interdisciplinary Science

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

7 Citations (Scopus)

Abstract

We report a detailed study of the phase switching rate from the first to the fourth switch for a small stack of Bi₂Sr₂-CaCu₂O_y intrinsic Josephson junctions (IJJs). Experimental results were analyzed by using the conventional singlejunction model including the thermally-activated phase escape and the multiple phase retrapping. It is shown that the phase retrapping effects are more prominent for higher order switches, even for the underdamped IJJs showing a large hysteresis in the current-voltage characteristics. This clearly suggests that the tilted washboard potential representing the phase switch from the finite voltage state in IJJs can be influenced by a rapid oscillation generated in a phase-switched junction.

Original language	English
Article number	054703
Journal	journal of the physical society of japan
Volume	85
Issue number	5
DOIs	https://doi.org/10.7566/JPSJ.85.054703
Publication status	Published - May 15 2016

ASJC Scopus subject areas

Physics and Astronomy(all)

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Increase of phase retrapping effects in the switching rate from the finite voltage state of the underdamped intrinsic Josephson junctions. / Kitano, Haruhisa; Takahashi, Yusaku; Kakehi, Daiki; Yamaguchi, Hikaru; Koizumi, Shin Ichiro; Ayukawa, Shin Ya.

In: journal of the physical society of japan, Vol. 85, No. 5, 054703, 15.05.2016.

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

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title = "Increase of phase retrapping effects in the switching rate from the finite voltage state of the underdamped intrinsic Josephson junctions",

abstract = "We report a detailed study of the phase switching rate from the first to the fourth switch for a small stack of Bi2Sr2-CaCu2Oy intrinsic Josephson junctions (IJJs). Experimental results were analyzed by using the conventional singlejunction model including the thermally-activated phase escape and the multiple phase retrapping. It is shown that the phase retrapping effects are more prominent for higher order switches, even for the underdamped IJJs showing a large hysteresis in the current-voltage characteristics. This clearly suggests that the tilted washboard potential representing the phase switch from the finite voltage state in IJJs can be influenced by a rapid oscillation generated in a phase-switched junction.",

author = "Haruhisa Kitano and Yusaku Takahashi and Daiki Kakehi and Hikaru Yamaguchi and Koizumi, {Shin Ichiro} and Ayukawa, {Shin Ya}",

note = "Funding Information: This work was partly supported by Grant-in-Aid for Scientific Research from JSPS and MEXT of Japan (Grant Nos. 21560020 and 24560017) and MEXT-Supported Program for the Strategic Research Foundation at Private Universities (2013-2017).",

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AU - Kitano, Haruhisa

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AU - Yamaguchi, Hikaru

AU - Koizumi, Shin Ichiro

AU - Ayukawa, Shin Ya

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AB - We report a detailed study of the phase switching rate from the first to the fourth switch for a small stack of Bi2Sr2-CaCu2Oy intrinsic Josephson junctions (IJJs). Experimental results were analyzed by using the conventional singlejunction model including the thermally-activated phase escape and the multiple phase retrapping. It is shown that the phase retrapping effects are more prominent for higher order switches, even for the underdamped IJJs showing a large hysteresis in the current-voltage characteristics. This clearly suggests that the tilted washboard potential representing the phase switch from the finite voltage state in IJJs can be influenced by a rapid oscillation generated in a phase-switched junction.

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