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, Shinya Ayukawa

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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.

Original languageEnglish
Article number054703
JournalJournal of the Physical Society of Japan
Issue number5
Publication statusPublished - May 15 2016
Externally publishedYes


ASJC Scopus subject areas

  • Physics and Astronomy(all)

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